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 A258266 #11 May 30 2015 02:42:13 %S A258266 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26, %T A258266 29,30,32,34,35,36,37,40,41,42,43,44,45,46,48,49,52,53,56,58,61,64,67, %U A258266 68,70,72,73,74,76,78,80,81,82,84,88,89,90,91,93,96,97 %N A258266 Numbers having only one representation as a sum of the minimal number of squares, A002828. %C A258266 A180466(a(n)) = 1. %C A258266 Complement of A258267. %Y A258266 Cf. A180466, A258264, A258267. %K A258266 nonn %O A258266 1,2 %A A258266 _Martin Renner_, May 25 2015