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 A059657 #2 May 01 2014 02:46:11 %S A059657 19,46,92,138,150,196,269,300,315,327,373,419,477,492,538,550,596,654, %T A059657 700,727,773,819,831,877,904,950,996,1054,1100,1127,1158,1173,1219, %U A059657 1231,1277,1335,1396,1408,1454,1500,1558,1585,1619,1631,1677,1735,1762 %N A059657 Positions of ones (+1's) in A059651. %Y A059657 First differences: A059658. %K A059657 nonn %O A059657 1,1 %A A059657 _Antti Karttunen_, Feb 03 2001