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 A165129 #6 Jun 02 2025 02:04:17 %S A165129 1,2,2,3,3,5,1,14,2,4,1,12,1,5,4,1,6,1,6,2,2,4,6,1,11,1,1,3,4,6,1,2,1, %T A165129 7,1,2,1,9,6,1,1,4,4,1,1,1,15,6,1,1,6,4,7,4,1,1,10,2,2,2,1,8,3,2,7,4, %U A165129 1,1,1,1,2,6,1,1,3,2,6,4,6,7,3,2,8,3,7,4,1,1,1,2,13,1,1,20,4,5,1,2,3,6,2,8 %N A165129 Length of cycle corresponding to n-th term of A165127. %H A165129 Joseph Myers, <a href="/A165129/b165129.txt">Table of n, a(n) for n=1..1560</a> %H A165129 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165129 Cf. A165110, A165115, A165127, A165128. %Y A165129 In other bases: A000012 (base 2), A165011 (base 3), A165031 (base 4), A165050 (base 5), A165070 (base 6), A165089 (base 7), A165109 (base 8), A151966 (base 10). %K A165129 base,nonn %O A165129 1,2 %A A165129 _Joseph Myers_, Sep 04 2009