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 A165092 #6 Jun 02 2025 02:01:30 %S A165092 0,1,1,1,1,1,1,1,2,1,2,4,1,3,3,2,4,2,1,2,4,0,3,3,1,4,2,1,2,4,1,3,3,1, %T A165092 4,2,1,2,4,1,3,3,1,4,2,1,2,4,2,3,3,1,4,2,1,2,4,2,3,3,1,4,2,1,2,2,4,3, %U A165092 1,2,3,4,2,1,2,4,3,1,2,3,4,2,2,4,3,1,2,3,3,4,4,4,3,1,2,3,1,3,3,3,3,1,2,3,2 %N A165092 Length of preperiodic part of trajectory of n under iteration of the base-8 Kaprekar map in A165090. %H A165092 Joseph Myers, <a href="/A165092/b165092.txt">Table of n, a(n) for n=0..4096</a> %H A165092 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165092 Cf. A165090, A165093. %Y A165092 In other bases: A164885 (base 2), A164995 (base 3), A165014 (base 4), A165034 (base 5), A165053 (base 6), A165073 (base 7), A165112 (base 9), A151962 (base 10). %K A165092 base,nonn %O A165092 0,9 %A A165092 _Joseph Myers_, Sep 04 2009