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 A236179 #10 Mar 10 2014 17:26:19 %S A236179 64,12,18,6,20,12,4,15,18,21,5,18,13,7,20,12,20,25,14,6,13,6,14,46,13, %T A236179 18,6,34,7,18,19,14,18,21,6,34,5,15,6,39,40,13,7,12,19,7,33,19,17,21, %U A236179 7,19,12,6,35,46,14,6,11,49,20,33,4,15,16,7,21,21,19,11 %N A236179 Prime gap pattern of compacting Eratosthenes sieve for prime(8) = 19. %C A236179 See A236175 for details. %H A236179 Christopher J. Hanson, <a href="/A236179/b236179.txt">Table of n, a(n) for n = 1..92160</a> %Y A236179 Cf. A236175-A236180, A236185-A236190. %K A236179 nonn %O A236179 1,1 %A A236179 _Christopher J. Hanson_, Jan 19 2014