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 A165052 #6 Jun 02 2025 01:58:21 %S A165052 0,0,0,0,0,0,1,0,1,2,3,4,2,1,0,1,2,3,3,2,1,0,1,2,4,3,2,1,0,1,5,4,3,2, %T A165052 1,0,7,7,14,21,28,35,7,0,7,14,21,28,14,7,7,14,21,28,21,14,14,14,21,28, %U A165052 28,21,21,21,21,28,35,28,28,28,28,28,14,14,14,21,28,35,14,7,7,14,21,28,14 %N A165052 A165051(n)/5. %H A165052 Joseph Myers, <a href="/A165052/b165052.txt">Table of n, a(n) for n=0..1296</a> %H A165052 <a href="/index/K#Kaprekar_map">Index entries for the Kaprekar map</a> %Y A165052 Cf. A165051. %Y A165052 In other bases: A164884 (base 2), A164994 (base 3), A165013 (base 4), A165033 (base 5), A165072 (base 7), A165091 (base 8), A165111 (base 9), A151950 (base 10). %K A165052 base,nonn %O A165052 0,10 %A A165052 _Joseph Myers_, Sep 04 2009