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 A258267 #9 Jun 16 2015 14:06:48 %S A258267 27,28,31,33,38,39,47,50,51,54,55,57,59,60,62,63,65,66,69,71,75,77,79, %T A258267 83,85,86,87,92,94,95,99,102,103,105,107,108,110,111,112,114,118,119, %U A258267 123,124,125,126,127,129,130,131,132,134,135,138,139,141,143,145 %N A258267 Numbers having more than one representation as a sum of the minimal number of squares, A002828. %C A258267 A180466(a(n)) > 1. %C A258267 Complement of A258266. %Y A258267 Cf. A180466, A258265, A258266. %K A258267 nonn %O A258267 1,1 %A A258267 _Martin Renner_, May 25 2015