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 A103412 #3 Mar 30 2012 17:29:22
%S A103412 1,4,6,6,7,9,9,11,11,15,12,16,15,16,20,21,23,22,22,30,23,25,28,24,26,
%T A103412 33,32,36,35,43,34,35,36,38,38,39,42,45,42,44,50,44,48,48,49,50,49,51,
%U A103412 52,64,57,56,57,65,61,63,65,61,64,64,65,65,69,67,69,76,76,79,75,73,80,73
%N A103412 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 least {x_1,...,x_n}.
%Y A103412 Cf. A018935, A018936, A018937, A103411, A103413, A103414.
%K A103412 nonn
%O A103412 1,2
%A A103412 _Ray Chandler_, Feb 04 2005