A025297 - OEIS

%I #17 Aug 05 2021 07:31:37

%S 5525,9425,11050,12025,12325,13325,14365,15725,17225,17425,18785,

%T 18850,19825,21125,22100,22525,23725,24050,24505,24650,25925,26650,

%U 26825,27625,28730,28925,29725,31025,31265,31450,31525,32045,32825,34450,34645,34850

%N Numbers that are the sum of 2 nonzero squares in 6 or more ways.

%H Robert Price, <a href="/A025297/b025297.txt">Table of n, a(n) for n = 1..507</a>

%H <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a>

%t nn = 34850; 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, _?(# >= 6 &)]] (* _T. D. Noe_, Apr 07 2011 *)

%Y Cf. A025289, A025296, A025298, A025334.

%K nonn

%O 1,1

%A _David W. Wilson_