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 A085221 #6 May 18 2024 18:37:06 %S A085221 0,1,1,10,21,10,11,211,210,11,20,221,2110,211,20,21,311,2210,2111,320, %T A085221 21,100,321,3110,2211,3220,321,100,101,2111,3210,3111,3320,3221,2100, %U A085221 101,110,2121,21110,3211,4220,3321,21100,2101,110,111,2211,21210,21111 %N A085221 Factorial expansions of the entries in A085219. %C A085221 Note that we can show only a finite subarray of A085219 in this way because eventually majority of the entries will have digits greater than nine in their factorial expansions. %Y A085221 Transpose: A085222. %K A085221 nonn,tabl,base,fini %O A085221 0,4 %A A085221 _Antti Karttunen_, Jun 23 2003