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 A122278 #4 Apr 03 2014 11:35:07 %S A122278 5,7,11,12,13,19,20,21,25,27,28,29 %N A122278 Records in A122277. %Y A122278 Cf. A096535, A122276, A122277, A122279 (where records occur). %K A122278 nonn %O A122278 1,1 %A A122278 _Klaus Brockhaus_, Aug 30 2006 %E A122278 More terms from _Martin Fuller_, Nov 22 2007