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 A266604 #15 Jan 15 2016 12:07:51 %S A266604 7,30,37,100,107,130,137,700,707,730,737 %N A266604 Integers whose writing includes only the vowel "e" (in French). %C A266604 Sequence dedicated to G. Perec (1936 - 1982). %D A266604 G. Perec, Les revenentes, Editions Julliard, Paris, 1972 %e A266604 sept, trente, trente-sept, cent, cent sept, cent trente, cent trente-sept, sept cent, sept cent sept, sept cent trente, sept cent trente-sept. %Y A266604 Cf. A006933, A014254, A261159. %K A266604 nonn,word,fini,full %O A266604 1,1 %A A266604 _Philippe Deléham_, Jan 01 2016