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 A219898 #3 Dec 07 2012 17:15:52 %S A219898 1,2,3,4,5,7,9,14,15,17,28,43,60,65,112,137,184,216,244,253,259,295, %T A219898 301,376,393,727,933,1169,2102,2441,4543,5815,8256,12799,18614,26234, %U A219898 35859,62093,84517,120376,182469,266986,376150,515249,891399,1212967,1592396,1675644,2881775,3709429,4956232,7838007,11547436,11963924,21967681,27845521,37849278 %N A219898 Record values in A214551. %Y A219898 Cf. A214551. %K A219898 nonn %O A219898 1,2 %A A219898 _N. J. A. Sloane_, Dec 07 2012