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 A186951 #14 Aug 06 2014 16:23:20 %S A186951 9,18,90,27,90,180,819,36,90,180,738,270,738,1638,7461,45,90,180,738, %T A186951 270,819,1476,6570,360,738,1476,6732,2457,6570,14922,67968,54,90,180, %U A186951 738,270,738,1476,6570,360,738,1638,6570,2214,6732,13140,59868,450,738,1476,6732,2214,6570,13464,59868,3276,6570,13140,59868,22383,59868,135936,619902 %N A186951 Number of lunar divisors (in base 10) of the n-th nonzero number whose decimal expansion contains only 0's and 1's (A007088(n)). %H A186951 N. J. A. Sloane, <a href="/A186951/b186951.txt">Table of n, a(n) for n = 1..99</a> %H A186951 D. Applegate, M. LeBrun and N. J. A. Sloane, <a href="http://arxiv.org/abs/1107.1130">Dismal Arithmetic</a> [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing] %H A186951 <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a> %Y A186951 A007088, A087029, A186943. %K A186951 base,nonn %O A186951 1,1 %A A186951 _N. J. A. Sloane_, Mar 01 2011