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 A165033 #6 Jun 02 2025 01:56:58 %S A165033 0,0,0,0,0,1,0,1,2,3,2,1,0,1,2,3,2,1,0,1,4,3,2,1,0,6,6,12,18,24,6,0,6, %T A165033 12,18,12,6,6,12,18,18,12,12,12,18,24,18,18,18,18,12,12,12,18,24,12,6, %U A165033 6,12,18,12,6,0,6,12,18,12,6,6,12,24,18,12,12,12,18,18,18,18,24,18,12,12 %N A165033 A165032(n)/4. %H A165033 Joseph Myers, <a href="/A165033/b165033.txt">Table of n, a(n) for n=0..3125</a> %H A165033 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165033 Cf. A165032. %Y A165033 In other bases: A164884 (base 2), A164994 (base 3), A165013 (base 4), A165052 (base 6), A165072 (base 7), A165091 (base 8), A165111 (base 9), A151950 (base 10). %K A165033 base,nonn %O A165033 0,9 %A A165033 _Joseph Myers_, Sep 04 2009