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 A085227 #7 May 18 2024 15:58:33 %S A085227 2,5,12,13,31,32,34,35,36,87,88,90,91,92,96,97,99,100,101,103,104,105, %T A085227 106,261,262,264,265,266,270,271,273,274,275,277,278,279,280,289,290, %U A085227 292,293,294,298,299,301,302,303,305,306,307,308,312,313,315,316,317 %N A085227 Column 0 of A085205. %F A085227 a(n) = A085205bi(0, n). %K A085227 nonn %O A085227 0,1 %A A085227 _Antti Karttunen_, Jun 23 2003