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 A111098 #24 Dec 18 2021 22:22:24 %S A111098 1000,1000000000,1000000000000000000000000000,100,0,4,8,3,5,-1,-1,11, %T A111098 1000000,1,0,1000000000000000000000000,1000000000000000,0,6,2,4,5,2,6, %U A111098 20,0 %N A111098 Smallest nonnegative integer containing the n-th letter of the alphabet (in US English), or -1 if no such integer exists. %C A111098 This is assuming the use of the short scale for large numbers. %C A111098 In British English, the first term is 101 (from "and"). %H A111098 Wikipedia, <a href="http://fr.wikipedia.org/wiki/%C3%89chelles_longue_et_courte">Échelles longue et courte</a> %Y A111098 Cf. A147876. Differs from A029722 because "zero" is permitted. %K A111098 fini,sign,full,word %O A111098 1,1 %A A111098 _Greg Huber_, Oct 13 2005 %E A111098 Sequence completed by _Daniel Mondot_, Nov 21 2008