Neil Sloane's "Integer Sequences" Encyclopedia can be consulted online : Neil Sloane's Integer Sequences First there were of course the numbers we all had to learn at school : %N The natural numbers. under A000027. Then came the familiarisation with the elementary particles of the above numbers : %N The prime numbers. under A000040. Finally we can deal with patternlike numbers of a third kind namely the %N Palindromes. under A002113. Click here to view some of the author's [P. De Geest] entries to the table. Click here to view some entries to the table about palindromes.

To look up a number sequence in the On-Line Encyclopedia of Integer Sequences,
enter it here and click "Submit":