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 A088472 #21 Sep 14 2017 15:32:18 %S A088472 1,2,3,4,5,6,7,8,9,100,110,112,113,114,115,116,117,118,119,120,121, %T A088472 122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138, %U A088472 139,140,141,142,143,144,145,146,147,148,149,150,151,152,153 %N A088472 Numbers n such that the lunar sum of the distinct lunar prime divisors of n is < n. %H A088472 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 A088472 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 A088472 D. Applegate, M. LeBrun, N. J. A. Sloane, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL14/Sloane/carry2.html">Dismal Arithmetic</a>, J. Int. Seq. 14 (2011) # 11.9.8. %H A088472 <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a> %Y A088472 Cf. A088469, A088470, A088471. %K A088472 nonn %O A088472 1,2 %A A088472 _David Applegate_, Nov 11 2003