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 A165057 #6 Jun 02 2025 01:58:43 %S A165057 1,1,6,6,6,6,6,6,2,2,1,3,1,1,3,3,1,2,2,7,7,7,2,1,2,7,7,7,2,2,7,1,1,2, %T A165057 2,2,1,2,1,2,1,2,2,2,1,1,2,2,1,1,2,2,2,2,2,2,2,2,2,1,2,2,2,1,2,1,2,2, %U A165057 2,1,2,2,1,1,2,2,2,2,1,2,2,2,2,2,2,2,1,2,2,2,1,1,2,1,2,2,1,2,2,2,1,2,2,2,2 %N A165057 Length of cycle mentioned in A165056. %H A165057 Joseph Myers, <a href="/A165057/b165057.txt">Table of n, a(n) for n=1..43711</a> %H A165057 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165057 Cf. A165051, A165056, A165059, A165061, A165063, A165070. %Y A165057 In other bases: A000012 (base 2), A164999 (base 3), A165018 (base 4), A165038 (base 5), A165077 (base 7), A165096 (base 8), A165116 (base 9), A164717 (base 10). %K A165057 base,nonn %O A165057 1,3 %A A165057 _Joseph Myers_, Sep 04 2009