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 A327662 #26 Oct 21 2021 13:10:34 %S A327662 1,2,2,3,4,5,7,10,14,21,31,45,66,99 %N A327662 Length of shortest word of frequency depth n. %C A327662 The frequency depth of a word is the number of times one must take the multiset of multiplicities to reach the singleton (1), without rearranging it. %C A327662 For example, the word (11213331) has frequency depth 7: (11213331) -> (21131) -> (1211) -> (112) -> (21) -> (11) -> (2) -> (1). %e A327662 The shortest words of frequency depth 10 are of the form (112122112112122122112) and (112122122112112122112), up to substitution and reflection. %Y A327662 Cf. A011784. %K A327662 nonn,hard,more %O A327662 1,2 %A A327662 _Ludovic Schwob_, Sep 21 2019 %E A327662 Incorrect terms removed by _Samuel B. Reid_, Aug 25 2021