Hypotenuse numbers (squares are sums of 2 distinct nonzero squares).
5, 10, 13, 15, 17, 20, 25, 26, 29, 30, 34, 35, 37, 39, 40, 41, 45, 50, 51, 52, 53, 55, 58
2 seqfan posts
Mon May 17 17:03:02 CEST 2010 [seqfan] Re: How to list pairs, triples, etc.