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 A171119 #12 Aug 06 2014 16:04:52 %S A171119 1009,1019,1029,1039,1049,1059,1069,1079,1089,1091,1092,1093,1094, %T A171119 1095,1096,1097,1098,1099,1109,1209,1309,1409,1509,1609,1709,1809, %U A171119 1901,1902,1903,1904,1905,1906,1907,1908,1909,2009,2019,2029,2039 %N A171119 The 1539 four-digit lunar primes. %H A171119 N. J. A. Sloane, <a href="/A171119/b171119.txt">Table of n, a(n) for n = 1..1539</a> (full sequence) %H A171119 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] %Y A171119 A finite subsequence of A087097. Cf. A171121. %K A171119 nonn,base,fini,full %O A171119 1,1 %A A171119 _N. J. A. Sloane_, Sep 28 2010