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 A024507 Numbers that are the sum of 2 distinct nonzero squares (with repetition). 12
 5, 10, 13, 17, 20, 25, 26, 29, 34, 37, 40, 41, 45, 50, 52, 53, 58, 61, 65, 65, 68, 73, 74, 80, 82, 85, 85, 89, 90, 97, 100, 101, 104, 106, 109, 113, 116, 117, 122, 125, 125, 130, 130, 136, 137, 145, 145, 146, 148, 149, 153, 157, 160, 164, 169, 170, 170, 173, 178, 180, 181, 185, 185, 193 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Zak Seidov, Table of n, a(n) for n = 1..3842 MATHEMATICA nn=10000; A024507=Table[x^2+y^2, {x, Sqrt[nn]}, {y, x+1, Sqrt[nn-x^2]}]//Flatten//Sort (* Zak Seidov, Apr 07 2011*) CROSSREFS Cf. A009000, A009003, A024507, A004431 (duplicates removed), A055096. Sequence in context: A072284 A242898 A230486 * A004431 A025302 A268379 Adjacent sequences:  A024504 A024505 A024506 * A024508 A024509 A024510 KEYWORD nonn AUTHOR EXTENSIONS NAME edited  by Zak Seidov, Apr 08 2011 STATUS approved

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