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 A296055 #82 Mar 31 2021 01:47:51 %S A296055 290,550,850,1060,2650,3035,3245,5015,5105,8935,10615,11890,12925, %T A296055 13485,13905,14850,15215,15985,17560,17600,18105,19925,20135,21780, %U A296055 23510,24040,25490,28830,31145,34365,36355,38140,38370,42025,43845,46820,47575,48745,49130,50495 %N A296055 Duplicate of A090839. %K A296055 dead %O A296055 1,1 %A A296055 _Pedro Caceres_, Dec 03 2017