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 A165058 #6 Jun 02 2025 01:58:51 %S A165058 430,675,705,860,890,920,4305,5180,16840,35510,42745,218960,259105, %T A165058 895275,996315,1174130,1221860,1276250,1282910,1285070,1338380, %U A165058 1548445,1563925,1601755,7892360,9392845,44002820,46288670,55760125,56412805 %N A165058 Consider the base-6 Kaprekar map n->K(n) defined in A165051. Sequence gives numbers belonging to cycles of length greater than 1. %C A165058 Initial terms in base 6: 1554, 3043, 3133, 3552, 4042, 4132, 31533, 35552, 205544, 432222. %H A165058 Joseph Myers, <a href="/A165058/b165058.txt">Table of n, a(n) for n=1..41322</a> %H A165058 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165058 Cf. A165051, A165059, A165055, A165056, A165060, A165062, A165069. %Y A165058 In other bases: Empty (base 2), A165000 (base 3), A165019 (base 4), A165039 (base 5), A165078 (base 7), A165097 (base 8), A165117 (base 9), A099010 (base 10). %K A165058 base,nonn %O A165058 1,1 %A A165058 _Joseph Myers_, Sep 04 2009