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 A122926 #2 Mar 30 2012 17:35:16 %S A122926 0,1,5,11,24,39,53,83,96,155,176,224,224,335,376,384,384,687,701,704, %T A122926 704,896,896,896,896,1504,1504,1504,1504,1536,1536,1536,1536,2816, %U A122926 2816,2816,2816,2816,2816,2816,2816,3584,3584,3584,3584,3584,3584,3584,3584 %N A122926 Index of first occurrence of n or larger in A122921. %C A122926 Smallest number that cannot be represented as the sum of four squares using only numbers less than n. %Y A122926 Cf. A122921, A122925, A122927. %K A122926 nonn %O A122926 0,3 %A A122926 _Franklin T. Adams-Watters_, Sep 19 2006