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 A087083 #17 Aug 06 2014 17:14:12 %S A087083 45,44,42,39,35,30,24,17,9,495,4500,168,154,138,120,100,78,54,28,484, %T A087083 492,3916,224,198,170,140,108,74,38,462,469,476,3276,258,220,180,138, %U A087083 94,48,429,435,441,447,2613,270,220,168,114,58,385,390,395 %N A087083 Take unbounded lunar divisors of n as defined in A087029, add them using normal addition. See A087416 for their lunar sum. %H A087083 D. Applegate, <a href="/A087061/a087061.txt">C program for lunar arithmetic and number theory</a> [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing] %H A087083 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 A087083 <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a> %K A087083 nonn,easy %O A087083 1,1 %A A087083 Marc LeBrun and _N. J. A. Sloane_, Oct 19 2003 %E A087083 More terms from _David Applegate_, Nov 07 2003