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 A165085 #6 Jun 02 2025 02:00:49 %S A165085 1,0,2,3,5,6,6,6,11,6,1,7,8,11,5,14,6,2,13,19,15,11,21,17,31,32,35,16, %T A165085 45,42,55,31,65,34,84,24,107,45,117,39,138,54,164,53,184,67,212,70, %U A165085 240,81,277,90,310,97,350,108,388,125,436,140,481,155,526,179,591,181,653 %N A165085 Number of n-digit numbers in a cycle (including fixed points) under the base-7 Kaprekar map A165071. %H A165085 Joseph Myers, <a href="/A165085/b165085.txt">Table of n, a(n) for n=1..100</a> %H A165085 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165085 Cf. A165071, A165076, A165084, A008722. %Y A165085 In other bases: A004526 (base 2, adjusted to start 1, 0, 0, 1, 1, ...), A165007 (base 3), A165026 (base 4), A165046 (base 5), A165065 (base 6), A165104 (base 8), A165124 (base 9), A164732 (base 10). %K A165085 base,nonn %O A165085 1,3 %A A165085 _Joseph Myers_, Sep 04 2009