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 A165109 #6 Jun 02 2025 02:02:44 %S A165109 1,1,1,3,5,4,2,1,3,1,7,4,1,3,1,3,5,4,5,1,3,3,3,3,1,6,4,2,3,3,3,3,3,1, %T A165109 4,2,3,3,1,1,1,9,5,3,3,1,3,3,1,3,3,3,3,3,3,3,3,1,1,12,1,1,3,3,3,3,3,3, %U A165109 3,3,3,3,1,3,3,3,3,3,3,3,3,3,1,3,5,1,2,1,3,3,3,6,3,2,3,3,3,3,3,3,3,3,3,3,3 %N A165109 Length of cycle corresponding to n-th term of A165107. %H A165109 Joseph Myers, <a href="/A165109/b165109.txt">Table of n, a(n) for n=1..8775</a> %H A165109 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165109 Cf. A165090, A165095, A165107, A165108. %Y A165109 In other bases: A000012 (base 2), A165011 (base 3), A165031 (base 4), A165050 (base 5), A165070 (base 6), A165089 (base 7), A165129 (base 9), A151966 (base 10). %K A165109 base,nonn %O A165109 1,4 %A A165109 _Joseph Myers_, Sep 04 2009