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 A103413 #3 Mar 30 2012 17:29:22
%S A103413 1,4,6,6,7,9,9,11,11,13,12,17,15,16,20,21,19,22,22,22,23,25,28,24,26,
%T A103413 29,32,36,34,35,35,35,36,38,38,39,40,45,42,45,44,44,48,48,49,53,49,51,
%U A103413 53,56,58,56,57,59,62,63,59,64,64,68,65,65,70,69,69,76,76,71,75,75,80,73
%N A103413 Consider smallest m such that m^2 = x_1^2 + ... + x_n^2 with 0 < x_1 < ... < x_n. Sequence gives value of x_n for lexicographically greatest {x_1,...,x_n}.
%Y A103413 Cf. A018935, A018936, A018937, A103411, A103412, A103414.
%K A103413 nonn
%O A103413 1,2
%A A103413 _Ray Chandler_, Feb 04 2005