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 A088526 #7 Jan 21 2014 12:30:20 %S A088526 0,0,-1,0,-1,0,-1,-1,0,0,0,0,-1,-1,0,0,0,0,-1,-1,0,0,-1,0,0,0,0,1,0,1, %T A088526 0,0,0,0,0,1,0,1,1,1,0,1,0,0,0,1,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1, %U A088526 1,1,1,1,1,1,1,1,0,0,1,1,2,2,1,1,1,1,0,0,1,1,1,2,1,1,1,2,2,2,2,3,2,2,2,2,1,2,1,2,2 %N A088526 a(n) = A061017(n) - pi(n) - 1. %C A088526 a(n) >= 0 for all n >= 24. %C A088526 The old entry with this sequence number was a duplicate of A074292. %Y A088526 Cf. A061017, A006218, A098357, A052511. %K A088526 sign %O A088526 1,77 %A A088526 _David Applegate_ and _N. J. A. Sloane_, Oct 22 2008