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 A098357 #6 Jan 21 2014 12:30:20 %S A098357 0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,0,1,1,1,1,1,1,1,1,1,1,1, %T A098357 1,1,1,2,2,1,1,1,1,1,1,1,1,1,1,1,2,1,2,2,2,2,2,1,2,1,2,2,2,2,2,1,2,2, %U A098357 2,1,2,1,1,1,2,2,3,2,2,2,2,1,1,1,2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,2,2,2,2,3,3 %N A098357 a(n) = A061017(n) - pi(n+1). %C A098357 a(n) >= 0 for all n >= 1. %C A098357 The old entry with this sequence number was a duplicate of A058071. %Y A098357 A companion to A052511. Cf. A061017, A006218, A088526. %K A098357 nonn %O A098357 1,38 %A A098357 _David Applegate_ and _N. J. A. Sloane_, Oct 22 2008