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 A169977 #14 Aug 06 2014 17:24:43 %S A169977 1090,1119,1129,1139,1149,1159,1169,1179,1189,1191,1192,1193,1194, %T A169977 1195,1196,1197,1198,1199,1219,1319,1329,1419,1429,1439,1519,1529, %U A169977 1539,1549,1619,1629,1639,1649,1659,1719,1729,1739,1749,1759,1769,1819,1829,1839 %N A169977 Lunar products of a 2-digit lunar prime and a three-digit lunar prime, sorted and duplicates removed. %C A169977 There are 650 terms. %H A169977 N. J. A. Sloane, <a href="/A169977/b169977.txt">Table of n, a(n) for n = 1..650</a> (full sequence) %H A169977 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] %K A169977 nonn,base,fini,full %O A169977 1,1 %A A169977 _N. J. A. Sloane_, Aug 17 2010