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 A165095 #4 Mar 30 2012 17:28:44 %S A165095 0,21,252,1022,1589,2044,2212,2723,3122,3178,3290,17892,20475,21483, %T A165095 21987,25578,26586,102837,147420,177443,213402,217938,1445787,1449819, %U A165095 1646442,1707930,1711962,1715994,1740690,1752786,1777482,1941345 %N A165095 Consider the base-8 Kaprekar map n->K(n) defined in A165090. Sequence gives numbers belonging to cycles, including fixed points. %C A165095 Initial terms in base 8: 0, 25, 374, 1776, 3065, 3774, 4244, 5243, 6062, 6152. %H A165095 Joseph Myers, <a href="/A165095/b165095.txt">Table of n, a(n) for n=1..25797</a> %H A165095 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165095 Union of A165094 and A165097. Cf. A165090, A165096, A165099, A165101, A165108, A165104. %Y A165095 In other bases: A163205 (base 2), A164998 (base 3), A165017 (base 4), A165037 (base 5), A165056 (base 6), A165076 (base 7), A165115 (base 9), A164716 (base 10). %K A165095 base,nonn %O A165095 1,2 %A A165095 _Joseph Myers_, Sep 04 2009