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 A087082 #17 Aug 06 2014 17:14:12 %S A087082 1,2,3,4,5,6,7,8,9,55,56,56,55,53,50,46,41,35,28,64,65,66,65,63,60,56, %T A087082 51,45,38,72,73,74,75,73,70,66,61,55,48,79,80,81,82,83,80,76,71,65,58, %U A087082 85,86,87,88,89,90,86,81,75,68,90,91,92,93,94,95,96,91,85,78 %N A087082 Take bounded lunar divisors of n as defined in A087028, add them using normal addition. See A087121 for their lunar sum. %H A087082 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 A087082 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 A087082 <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a> %Y A087082 Cf. A087061, A087062, A087028, A087083. %K A087082 nonn,easy %O A087082 1,2 %A A087082 Marc LeBrun and _N. J. A. Sloane_, Oct 19 2003 %E A087082 More terms from _David Applegate_, Nov 07 2003