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 A165078 #6 Jun 02 2025 02:00:22 %S A165078 144,192,1068,1752,1836,9936,10608,13008,13680,15072,55500,72012, %T A165078 77388,89112,91212,91800,640992,643344,660144,674592,760992,780144, %U A165078 3562968,4605036,4642668,4772952,5445336,5464152,31412208,31680336,32353344 %N A165078 Consider the base-7 Kaprekar map n->K(n) defined in A165071. Sequence gives numbers belonging to cycles of length greater than 1. %C A165078 Initial terms in base 7: 264, 363, 3054, 5052, 5232, 40653, 42633, 52632, 54612, 61641. %H A165078 Joseph Myers, <a href="/A165078/b165078.txt">Table of n, a(n) for n=1..32041</a> %H A165078 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165078 Cf. A165071, A165079, A165075, A165076, A165080, A165082, A165088. %Y A165078 In other bases: Empty (base 2), A165000 (base 3), A165019 (base 4), A165039 (base 5), A165058 (base 6), A165097 (base 8), A165117 (base 9), A099010 (base 10). %K A165078 base,nonn %O A165078 1,1 %A A165078 _Joseph Myers_, Sep 04 2009