Index Nr | Basenumber | Length |
Palindromic Product of Sequence n(n+2) | Length |
| | |
[QP2] Twofold sequence (n) x (n+2)
Palindromic Quasipronic Numbers
Subsequence of A066619
See also WONplate 191 |
One can find the regular numbers of the form n(n+2) at
%N n(n+2). under A005563.
The palindromic numbers of the form n(n+2) are categorised as follows :
%N n(n+2) is a palindrome. under A028503.
%N Palindromes of the form n(n+2). under A028504.
|
130 | 2.869.583.606.927.752.572.852.824.676 | 28 |
8.234.510.077.148.490.383.826.297.524.257.926.283.830.948.417.700.154.328 | 55 |
129 | 2.839.367.463.533.956.334.281.036.646 | 28 |
8.062.007.592.975.252.853.725.763.273.723.675.273.582.525.792.957.002.608 | 55 |
128 | 1.858.533.249.512.946.375.265.289.387 | 28 |
3.454.145.839.545.151.788.032.257.030.307.522.308.871.515.459.385.414.543 | 55 |
127 | 999.999.999.999.999.999.999.999.999 | 27 |
999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999 | 54 |
126 | 907.622.710.543.480.493.039.799.176 | 27 |
823.778.984.694.294.576.145.208.380.083.802.541.675.492.496.489.877.328 | 54 |
125 | 566.022.075.640.119.255.127.325.531 | 27 |
320.380.990.111.948.883.478.999.034.430.999.874.388.849.111.099.083.023 | 54 |
124 | 290.957.452.721.121.988.428.818.342 | 27 |
84.656.239.293.963.937.188.861.859.095.816.888.173.936.939.293.265.648 | 53 |
123 | 186.129.556.909.321.188.613.986.761 | 27 |
34.644.211.955.260.235.023.092.246.864.229.032.053.206.255.911.244.643 | 53 |
122 | 99.999.999.999.999.999.999.999.999 | 26 |
9.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999 | 52 |
121 | 23.047.415.763.882.533.671.706.555 | 26 |
531.183.373.393.261.113.083.114.757.411.380.311.162.393.373.381.135 | 51 |
120 | Prime! 18.025.751.880.318.906.522.533.131 | 26 |
324.927.730.850.820.594.096.293.434.392.690.495.028.058.037.729.423 | 51 |
119 | 9.999.999.999.999.999.999.999.999 | 25 |
99.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999 | 50 |
118 | 9.281.263.339.178.014.301.067.236 | 25 |
86.141.849.171.169.824.133.657.799.775.633.142.896.117.194.814.168 | 50 |
117 | 7.188.432.787.621.709.530.912.795 | 25 |
51.673.565.942.154.821.721.394.388.349.312.712.845.124.956.537.615 | 50 |
116 | 2.971.324.071.216.956.073.167.016 | 25 |
8.828.766.736.193.306.646.148.659.568.416.466.033.916.376.678.288 | 49 |
115 | 1.846.392.722.689.497.797.462.361 | 25 |
3.409.166.086.400.736.714.614.477.744.164.176.370.046.806.619.043 | 49 |
114 | Prime! 1.757.294.218.102.431.600.179.701 | 25 |
3.088.082.968.976.236.441.483.048.403.841.446.326.798.692.808.803 | 49 |
113 | 999.999.999.999.999.999.999.999 | 24 |
999.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999 | 48 |
112 | 909.440.099.007.674.131.076.276 | 24 |
827.081.293.683.088.126.051.555.555.150.621.880.386.392.180.728 | 48 |
111 | 769.915.043.713.125.205.809.463 | 24 |
592.769.174.535.783.496.498.902.209.894.694.387.535.471.967.295 | 48 |
110 | 748.178.082.592.971.093.142.365 | 24 |
559.770.443.272.494.674.649.012.210.946.476.494.272.344.077.955 | 48 |
109 | 572.434.277.607.587.933.995.081 | 24 |
327.681.002.180.121.048.789.960.069.987.840.121.081.200.186.723 | 48 |
108 | 179.952.055.392.509.877.201.981 | 24 |
32.382.742.239.988.943.174.652.625.647.134.988.993.224.728.323 | 47 |
107 | 99.999.999.999.999.999.999.999 | 23 |
9.999.999.999.999.999.999.999.999.999.999.999.999.999.999.999 | 46 |
106 | 64.825.429.061.399.630.637.044 | 23 |
4.202.336.252.994.555.796.745.885.476.975.554.992.526.332.024 | 46 |
105 | 31.621.295.118.444.413.001.899 | 23 |
999.906.304.967.756.463.298.909.892.364.657.769.403.609.999 | 45 |
104 | 20.566.244.031.577.809.646.314 | 23 |
422.970.393.566.409.877.340.494.043.778.904.665.393.079.224 | 45 |
103 | 9.999.999.999.999.999.999.999 | 22 |
99.999.999.999.999.999.999.999.999.999.999.999.999.999.999 | 44 |
102 | 6.483.218.910.752.681.076.694 | 22 |
42.032.127.444.741.180.479.822.897.408.114.744.472.123.024 | 44 |
101 | 6.224.291.959.855.223.043.471 | 22 |
38.741.810.401.518.373.506.999.960.537.381.510.401.814.783 | 44 |
100 | 6.041.636.672.175.825.109.257 | 22 |
36.501.373.678.579.778.439.933.993.487.797.587.637.310.563 | 44 |
99 | 5.693.758.099.575.300.973.867 | 22 |
32.418.881.296.479.342.959.977.995.924.397.469.218.881.423 | 44 |
98 | 999.999.999.999.999.999.999 | 21 |
999.999.999.999.999.999.999.999.999.999.999.999.999.999 | 42 |
97 | 554.092.910.028.082.027.051 | 21 |
307.018.952.943.388.204.176.671.402.883.349.259.810.703 | 42 |
96 | 290.877.276.146.529.419.156 | 21 |
84.609.589.778.424.332.617.971.623.342.487.798.590.648 | 41 |
95 | 99.999.999.999.999.999.999 | 20 |
9.999.999.999.999.999.999.999.999.999.999.999.999.999 | 40 |
94 | 90.836.843.323.216.523.522 | 20 |
8.251.332.104.926.586.308.998.036.856.294.012.331.528 | 40 |
93 | 89.703.862.578.415.825.652 | 20 |
8.046.782.961.487.311.140.550.411.137.841.692.876.408 | 40 |
92 | 89.463.014.832.484.033.246 | 20 |
8.003.631.022.917.258.135.335.318.527.192.201.363.008 | 40 |
91 | 73.279.502.387.125.583.305 | 20 |
5.369.885.470.104.744.062.112.604.474.010.745.889.635 | 40 |
90 | 64.970.657.724.865.410.714 | 20 |
4.221.186.365.201.613.466.886.643.161.025.636.811.224 | 40 |
89 | 24.367.639.093.196.434.913 | 20 |
593.781.834.976.275.172.828.271.572.679.438.187.395 | 39 |
88 | 18.705.004.727.117.121.287 | 20 |
349.877.201.841.473.853.020.358.374.148.102.778.943 | 39 |
87 | 17.594.739.560.626.811.647 | 20 |
309.574.860.206.286.168.999.861.682.602.068.475.903 | 39 |
86 | 9.999.999.999.999.999.999 | 19 |
99.999.999.999.999.999.999.999.999.999.999.999.999 | 38 |
85 | 9.087.624.822.702.230.726 | 19 |
82.584.924.918.193.750.455.405.739.181.942.948.528 | 38 |
84 | 6.503.375.380.654.101.684 | 19 |
42.293.891.341.697.881.988.918.879.614.319.839.224 | 38 |
83 | 3.159.884.456.126.887.929 | 19 |
9.984.869.776.072.318.331.338.132.706.779.684.899 | 37 |
82 | 3.153.133.622.994.482.349 | 19 |
9.942.251.644.458.310.353.530.138.544.461.522.499 | 37 |
81 | 999.999.999.999.999.999 | 18 |
999.999.999.999.999.999.999.999.999.999.999.999 | 36 |
80 | 918.101.589.661.512.806 | 18 |
842.910.528.938.996.839.938.699.839.825.019.248 | 36 |
79 | 910.786.809.752.004.922 | 18 |
829.532.612.818.234.809.908.432.818.216.235.928 | 36 |
78 | 906.394.740.346.503.626 | 18 |
821.551.425.327.805.729.927.508.723.524.155.128 | 36 |
77 | 547.914.424.400.753.001 | 18 |
300.210.216.466.408.476.674.804.664.612.012.003 | 36 |
76 | 99.999.999.999.999.999 | 17 |
9.999.999.999.999.999.999.999.999.999.999.999 | 34 |
75 | 92.087.949.336.643.456 | 17 |
8.480.190.413.028.212.112.128.203.140.910.848 | 34 |
74 | 76.110.360.069.816.323 | 17 |
5.792.786.909.957.091.111.907.599.096.872.975 | 34 |
73 | 72.909.735.507.526.443 | 17 |
5.315.829.531.777.462.332.647.771.359.285.135 | 34 |
72 | 28.296.773.213.909.502 | 17 |
800.707.374.319.426.343.624.913.473.707.008 | 33 |
71 | 20.507.633.917.530.254 | 17 |
420.563.048.895.437.313.734.598.840.365.024 | 33 |
70 | 9.999.999.999.999.999 | 16 |
99.999.999.999.999.999.999.999.999.999.999 | 32 |
69 | 9.999.711.145.441.499 | 16 |
99.994.222.992.266.955.966.229.922.249.999 | 32 |
68 | 2.408.106.333.065.823 | 16 |
5.798.976.111.351.729.271.531.116.798.975 | 31 |
67 | 999.999.999.999.999 | 15 |
999.999.999.999.999.999.999.999.999.999 | 30 |
66 | 243.024.346.003.435 | 15 |
59.060.832.750.397.779.305.723.806.095 | 29 |
65 | 185.008.189.318.337 | 15 |
34.228.030.114.849.994.841.103.082.243 | 29 |
64 | 99.999.999.999.999 | 14 |
9.999.999.999.999.999.999.999.999.999 | 28 |
63 | 64.860.859.637.354 | 14 |
4.206.931.112.896.666.982.111.396.024 | 28 |
62 | 24.366.788.929.913 | 14 |
593.740.402.754.979.457.204.047.395 | 27 |
61 | 17.556.561.248.201 | 14 |
308.232.842.861.868.168.248.232.803 | 27 |
60 | 9.999.999.999.999 | 13 |
99.999.999.999.999.999.999.999.999 | 26 |
59 | 6.035.200.088.907 | 13 |
36.423.640.113.155.131.104.632.463 | 26 |
58 | 3.153.099.043.049 | 13 |
9.942.033.575.282.825.753.302.499 | 25 |
57 | 2.967.841.885.466 | 13 |
8.808.085.457.132.317.545.808.088 | 25 |
56 | 2.967.032.967.032 | 13 |
8.803.284.627.460.647.264.823.088 | 25 |
55 | 2.939.136.124.286 | 13 |
8.638.521.157.088.807.511.258.368 | 25 |
54 | 2.839.531.502.896 | 13 |
8.062.939.155.944.495.519.392.608 | 25 |
53 | 2.050.695.871.494 | 13 |
4.205.353.557.366.637.553.535.024 | 25 |
52 | 999.999.999.999 | 12 |
999.999.999.999.999.999.999.999 | 24 |
51 | 186.125.268.237 | 12 |
34.642.615.476.667.451.624.643 | 23 |
50 | 178.923.207.531 | 12 |
32.013.514.193.539.141.531.023 | 23 |
49 | 99.999.999.999 | 11 |
9.999.999.999.999.999.999.999 | 22 |
48 | 64.819.595.894 | 11 |
4.201.580.011.991.100.851.024 | 22 |
47 | 54.809.426.001 | 11 |
3.004.073.178.668.713.704.003 | 22 |
46 | 31.519.410.879 | 11 |
993.473.262.222.262.374.399 | 21 |
45 | 24.064.405.175 | 11 |
579.095.596.474.695.590.975 | 21 |
44 | 18.511.102.337 | 11 |
342.660.909.767.909.066.243 | 21 |
43 | 18.163.818.617 | 11 |
329.924.306.787.603.429.923 | 21 |
42 | 9.999.999.999 | 10 |
99.999.999.999.999.999.999 | 20 |
41 | 3.146.471.489 | 10 |
9.900.282.837.382.820.099 | 19 |
40 | 2.967.032.966 | 10 |
8.803.284.627.264.823.088 | 19 |
39 | 2.441.052.185 | 10 |
5.958.735.774.775.378.595 | 19 |
38 | 999.999.999 | 9 |
999.999.999.999.999.999 | 18 |
37 | 185.812.387 | 9 |
34.526.243.534.262.543 | 17 |
36 | 99.999.999 | 8 |
9.999.999.999.999.999 | 16 |
35 | 93.809.716 | 8 |
8.800.263.003.620.088 | 16 |
34 | 31.552.659 | 8 |
995.570.353.075.599 | 15 |
33 | 22.765.895 | 8 |
518.286.020.682.815 | 15 |
32 | 9.999.999 | 7 |
99.999.999.999.999 | 14 |
31 | 9.200.156 | 7 |
84.642.888.824.648 | 14 |
30 | 2.967.032 | 7 |
8.803.284.823.088 | 13 |
29 | Prime! 1.868.287 | 7 |
3.490.500.050.943 | 13 |
28 | 999.999 | 6 |
999.999.999.999 | 12 |
27 | 552.101 | 6 |
304.816.618.403 | 12 |
26 | 293.786 | 6 |
86.310.801.368 | 11 |
25 | 243.063 | 6 |
59.080.108.095 | 11 |
24 | Prime! 179.317 | 6 |
32.154.945.123 | 11 |
23 | 174.747 | 6 |
30.536.863.503 | 11 |
22 | 174.601 | 6 |
30.485.858.403 | 11 |
21 | 99.999 | 5 |
9.999.999.999 | 10 |
20 | 20.564 | 5 |
422.919.224 | 9 |
19 | 18.991 | 5 |
360.696.063 | 9 |
18 | 9.999 | 4 |
99.999.999 | 8 |
17 | 5.731 | 4 |
32.855.823 | 8 |
16 | 2.966 | 4 |
8.803.088 | 7 |
15 | 2.365 | 4 |
5.597.955 | 7 |
14 | Prime! 1.907 | 4 |
3.640.463 | 7 |
13 | Prime! 1.747 | 4 |
3.055.503 | 7 |
12 | 999 | 3 |
999.999 | 6 |
11 | 204 | 3 |
42.024 | 5 |
10 | Prime! 191 | 3 |
36.863 | 5 |
9 | 99 | 2 |
9.999 | 4 |
8 | 75 | 2 |
5.775 | 4 |
7 | 64 | 2 |
4.224 | 4 |
6 | Prime! 23 | 2 |
575 | 3 |
5 | Prime! 17 | 2 |
323 | 3 |
4 | 9 | 1 |
99 | 2 |
3 | Prime! 2 | 1 |
8 | 1 |
2 | 1 | 1 |
Prime! 3 | 1 |
1 | 0 | 1 |
0 | 1 |