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 A045812 #5 Mar 31 2012 13:50:35 %S A045812 2,2,2,2,4,6,2,2,4,2,4,8,2,6,4,4,8,9,12,20,10,30,30,6,12,12,12,6,6,24, %T A045812 6,12,6,12,12,6,6,12,18,6,6,6,6,12,6,12,12,12,12,6,6,18,18,12,6,6,18, %U A045812 6,6,12,12,6,12,6,6,12,18,18,6,12,18,12,6,54,24,6,18,12,6,12,6,6,36,12,6 %N A045812 Number of times the digits are repeated in A045811. %C A045812 e.g. 20[ 0(2),1(2),2(2) ],10022[ 0(2),1(2),2(2) ],10202[ 0(2),1(2),2(2) ],.... %H A045812 N. Nomoto, <a href="http://www.geocities.co.jp/Technopolis/1793/09digit.htm">In the list of divisors of n,... </a> %Y A045812 Cf. A038564, A038565. %K A045812 easy,nonn,base %O A045812 0,1 %A A045812 _Naohiro Nomoto_