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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 Index entries for sequences related to sums of squares 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 Clark Kimberling EXTENSIONS Name edited by Zak Seidov, Apr 08 2011 STATUS approved

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Last modified February 26 13:52 EST 2024. Contains 370352 sequences. (Running on oeis4.)