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 A076032 #13 Jul 26 2012 11:03:04 %S A076032 1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46, %T A076032 48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92, %U A076032 94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130 %N A076032 Duplicate of A004277. %K A076032 dead %O A076032 1,2