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[ October 6, 2002 ] is only one solution known for constructing a rectangular triangle whose three sides are all triangular numbers. Source : Puzzle 187. Triangles and Triangular numbers situated at Carlos Rivera's PP&P website. 87782 + 102962 = 135302 or (T132)2 + (T143)2 = (T164)2 It so happens that the smallest side T132 or 8778 ( just like 1322 + 1432 = 37873 ) btw is palindromic ! JCR became obsessed with looking for another solution ps. JCR thinks that he/she who discovers the next | |||
A000140 Prime Curios! Prime Puzzle Wikipedia 140 Le nombre 140 |
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