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 A182429 #6 Apr 28 2012 06:02:54 %S A182429 1,1,6,1,1,5,1,1,1,1,4,1,1,1,3,3,1,1,2,4,1,1,5,1,1,1,1,4,1,1,1,2,4,1, %T A182429 1,6,1,1,1,4,1,1,1,1,4,1,1,1,1,5,1,1,6,1,1,1,4,1,1,1,1,4,1,1,1,6,1,1, %U A182429 1,1,1,3,1,1,2,3,1,1,1,1,2,2,1,1,1,2,3,1,1,1,6,1,1,5,1,1,1,1,4,1,1,1,3,3,1,1,6,1,1,1,2,2,1,1,1,1,3,1,1 %N A182429 First differences of congruent numbers A003273. %Y A182429 Cf. A003273. %K A182429 nonn %O A182429 1,3 %A A182429 _N. J. A. Sloane_, Apr 28 2012