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 A025368 #13 Aug 05 2021 07:27:15 %S A025368 28,42,52,55,58,60,63,66,67,70,73,75,76,78,79,82,84,85,87,90,91,92,93, %T A025368 95,97,98,99,100,102,103,105,106,108,109,110,111,112,114,115,117,118, %U A025368 119,121,122,123,124,125,126,127,129,130,132,133,134,135,137,138,139,140,141 %N A025368 Numbers that are the sum of 4 nonzero squares in 3 or more ways. %H A025368 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a> %F A025368 {n: A025428(n) >=3}. Union of A025369 and A025359.- _R. J. Mathar_, Jun 15 2018 %Y A025368 Cf. A025331, A025359, A025367, A025369, A025407, A344796. %K A025368 nonn %O A025368 1,1 %A A025368 _David W. Wilson_