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 A316835 #8 May 21 2019 14:39:39
%S A316835 120,156,184,200,204,216,228,248,252,260,264,280,284,296,300,312,316,
%T A316835 324,336,340,344,348,360,364,372,376,380,392,396,408,420,424,428,436,
%U A316835 440,444,452,456,464,468,472,476,480,484,488,492,500,504,508,516,520,524,532,536,540,548,552
%N A316835 Sums of four distinct positive even squares.
%D A316835 Michael D. Hirschhorn, The Power of q: A Personal Journey, Springer 2017. See Chapter 31.
%t A316835 Total/@Subsets[(2*Range[10])^2,{4}]//Union (* _Harvey P. Dale_, May 21 2019 *)
%Y A316835 Equals 4*A004433. Cf. A316833, A316834.
%K A316835 nonn
%O A316835 1,1
%A A316835 _N. J. A. Sloane_, Jul 19 2018