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 A175230 #2 Mar 30 2012 19:00:23 %S A175230 1,4,8,14,16,22,25,30,33,38,40,46,49,54,56,62,64,69,72,77,80,85,87,92, %T A175230 94,99,102,108,111,116,118,122,124,129,132,136,140,144,146,152,154 %N A175230 Remaining sequence of step 4 of sieve from A175227. %C A175230 See A175227 for definition. %K A175230 nonn %O A175230 1,2 %A A175230 _Jaroslav Krizek_, Mar 07 2010