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 A025296 Numbers that are the sum of 2 nonzero squares in 5 or more ways. 1
 5525, 8125, 8450, 9425, 10625, 11050, 12025, 12325, 13325, 14365, 14450, 15725, 16250, 17225, 17425, 18125, 18785, 18850, 19825, 21125, 21250, 22100, 22525, 23125, 23725, 24050, 24505, 24650, 25625, 25925, 26650, 26825, 27625, 28730, 28925, 29725 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA nn = 30000; t = Table[0, {nn}]; lim = Floor[Sqrt[nn - 1]]; Do[num = i^2 + j^2; If[num <= nn, t[[num]]++], {i, lim}, {j, i}]; Flatten[Position[t, _?(# >= 5 &)]] (* T. D. Noe, Apr 07 2011 *) CROSSREFS Sequence in context: A252511 A250876 A165443 * A025315 A097103 A025297 Adjacent sequences:  A025293 A025294 A025295 * A025297 A025298 A025299 KEYWORD nonn AUTHOR STATUS approved

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Last modified December 12 18:43 EST 2018. Contains 318081 sequences. (Running on oeis4.)