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 A025295 Numbers that are the sum of 2 nonzero squares in 4 or more ways. 2
 1105, 1625, 1885, 2125, 2210, 2405, 2465, 2665, 3145, 3250, 3445, 3485, 3625, 3770, 3965, 4225, 4250, 4420, 4505, 4625, 4745, 4810, 4930, 5125, 5185, 5330, 5365, 5525, 5785, 5945, 6205, 6290, 6305, 6409, 6500, 6565, 6625, 6890, 6970, 7085, 7225, 7250 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vaclav Kotesovec, Table of n, a(n) for n = 1..1500 MATHEMATICA nn = 7250; 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, _?(# >= 4 &)]] (* T. D. Noe, Apr 07 2011 *) CROSSREFS Sequence in context: A214607 A321870 A257759 * A025314 A025287 A025305 Adjacent sequences:  A025292 A025293 A025294 * A025296 A025297 A025298 KEYWORD nonn AUTHOR STATUS approved

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Last modified October 22 12:47 EDT 2019. Contains 328318 sequences. (Running on oeis4.)