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 A057986 #7 May 20 2017 21:53:15 %S A057986 1,7,10,11,15,16,18,24,25,27,31,37,40,41,43,47,53,54,60,63,64,68,69, %T A057986 71,75,81,82,88,91,92,94,100,103,104,108,109,111,117,118,120,124,130, %U A057986 131,137,140,141,143,149,152,153,157,158,160,164 %N A057986 Positions of 0 in A057985. %H A057986 Clark Kimberling, <a href="/A057986/b057986.txt">Table of n, a(n) for n = 1..10000</a> %Y A057986 Cf. A057985, A057987, A057988. %K A057986 nonn %O A057986 1,2 %A A057986 _Clark Kimberling_, Oct 30 2000