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 A165054 #6 Apr 26 2023 11:56:10 %S A165054 1,2,2,2,2,2,3,2,3,5,4,4,5,3,2,3,5,4,4,5,3,2,3,5,4,4,5,3,2,3,5,4,4,5, %T A165054 3,2,3,3,4,2,3,4,3,2,3,4,2,3,4,3,3,4,2,3,2,4,4,4,2,3,3,2,2,2,2,3,4,3, %U A165054 3,3,3,3,4,4,4,2,3,4,4,3,3,4,2,3,4,3,2,3,4,2,2,4,3,3,4,2,3,2,4,4,4,2,4,3,2 %N A165054 (Length of preperiodic part) + (length of cycle) of trajectory of n under iteration of the base-6 Kaprekar map in A165051. %H A165054 Joseph Myers, <a href="/A165054/b165054.txt">Table of n, a(n) for n=0..1296</a> %H A165054 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165054 Cf. A165051, A165053. %Y A165054 In other bases: A164886 (base 2), A164996 (base 3), A165015 (base 4), A165035 (base 5), A165074 (base 7), A165093 (base 8), A165113 (base 9), A151963 (base 10). %K A165054 base,nonn %O A165054 0,2 %A A165054 _Joseph Myers_, Sep 04 2009