This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A024507 #22 Nov 23 2019 12:00:06
%S A024507 5,10,13,17,20,25,26,29,34,37,40,41,45,50,52,53,58,61,65,65,68,73,74,
%T A024507 80,82,85,85,89,90,97,100,101,104,106,109,113,116,117,122,125,125,130,
%U A024507 130,136,137,145,145,146,148,149,153,157,160,164,169,170,170,173,178,180,181,185,185,193
%N A024507 Numbers that are the sum of 2 distinct nonzero squares (with repetition).
%H A024507 Zak Seidov, <a href="/A024507/b024507.txt">Table of n, a(n) for n = 1..3842</a>
%H A024507 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a>
%t A024507 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*)
%Y A024507 Cf. A009000, A009003, A024507, A004431 (duplicates removed), A055096.
%K A024507 nonn
%O A024507 1,1
%A A024507 _Clark Kimberling_
%E A024507 Name edited by _Zak Seidov_, Apr 08 2011