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 A165072 #6 Jun 02 2025 01:59:54 %S A165072 0,0,0,0,0,0,0,1,0,1,2,3,4,5,2,1,0,1,2,3,4,3,2,1,0,1,2,3,4,3,2,1,0,1, %T A165072 2,5,4,3,2,1,0,1,6,5,4,3,2,1,0,8,8,16,24,32,40,48,8,0,8,16,24,32,40, %U A165072 16,8,8,16,24,32,40,24,16,16,16,24,32,40,32,24,24,24,24,32,40,40,32,32,32,32 %N A165072 A165071(n)/6. %H A165072 Joseph Myers, <a href="/A165072/b165072.txt">Table of n, a(n) for n=0..2401</a> %H A165072 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165072 Cf. A165071. %Y A165072 In other bases: A164884 (base 2), A164994 (base 3), A165013 (base 4), A165033 (base 5), A165052 (base 6), A165091 (base 8), A165111 (base 9), A151950 (base 10). %K A165072 base,nonn %O A165072 0,11 %A A165072 _Joseph Myers_, Sep 04 2009