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 A094629 #16 Apr 14 2021 22:39:01 %S A094629 2,11,20,110,200,1100,2000,11000,20000,110000,200000,1100000,2000000, %T A094629 11000000,20000000,110000000,200000000,1100000000,2000000000, %U A094629 11000000000,20000000000,110000000000,200000000000,1100000000000 %N A094629 Erroneous version of A052216. %K A094629 dead %O A094629 1,1