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 A025384 #11 Jun 15 2018 05:37:02
%S A025384 286,306,315,334,345,374,386,405,417,447,454,477,482,485,489,502,505,
%T A025384 511,514,533,535,540,545,559,571,581,583,617,629,631,636,641,649,689,
%U A025384 691,700,701,708,713,740,757,761,764,769,773,787,797,988,1004,1028,1084,1144
%N A025384 Numbers that are the sum of 4 distinct nonzero squares in exactly 9 ways.
%H A025384 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a>
%F A025384 {n: A025443(n) = 9}. - _R. J. Mathar_, Jun 15 2018
%Y A025384 Cf. A025393, A025365.
%K A025384 nonn
%O A025384 1,1
%A A025384 _David W. Wilson_