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 A165030 #6 Jun 02 2025 01:56:38 %S A165030 0,30,201,126,570,3369,3873,2550,14565,41958,54441,62625,64641,234405, %T A165030 254865,171990,873129,954261,1036929,1004193,1044993,3755685,2788950, %U A165030 4083345,4165185,15285909,13978281,16075425,16399953,16730625,16599681 %N A165030 Smallest member of cycle corresponding to n-th term of A165029. %C A165030 Initial terms in base 4: 0, 132, 3021, 1332, 20322, 310221, 330201, 213312, 3203211, 22033212. %H A165030 Joseph Myers, <a href="/A165030/b165030.txt">Table of n, a(n) for n=1..7165</a> %H A165030 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165030 Cf. A165012, A165017, A165029, A165031. %Y A165030 In other bases: A163205 (base 2), A165010 (base 3), A165049 (base 5), A165069 (base 6), A165088 (base 7), A165108 (base 8), A165128 (base 9), A151965 (base 10). %K A165030 base,nonn %O A165030 1,2 %A A165030 _Joseph Myers_, Sep 04 2009