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 A122901 #5 Sep 09 2020 18:39:08 %S A122901 1,1,2,1,1,2,1,2,1,5,0,1,2,1,0,2,1,0,1,0,4,1,3,1,1,2,2,0,1,1,2,1,2,1, %T A122901 1,2,2,2,1,2,4,1,2,0,4,0,1,2,0,1,0,0,0,2,0,4,0,0,9,1,0,0,2,0,1,3,2,2, %U A122901 1,1,0,1,0,2,4,3,0,2,1,4,0,1,0,1,1,8,1,2,2,1,0,0,4,0,6,4,1,2,1,1 %N A122901 Erroneous duplicate of A080121. %K A122901 dead %O A122901 1,3 %A A122901 _Alexander Adamchuk_, Sep 18 2006