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 A035595 #7 Dec 15 2017 17:34:48 %S A035595 0,1,1,5,6,17,22,50,66,130,174,314,421,711,953,1535,2051,3179,4232, %T A035595 6365,8434,12369,16313,23431,30750,43381,56658,78712,102309,140226, %U A035595 181418,245723 %N A035595 A035550 with periodic zeros stripped. %K A035595 nonn %O A035595 0,4 %A A035595 _Olivier Gérard_ %E A035595 More terms from _Jason Earls_, Apr 03 2001