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 A072423 #4 Oct 03 2013 09:31:19 %S A072423 1,4,11,16,19,29,33,42,56,70,71,74,77,87,105,109,121,128,132,142,151, %T A072423 161,166,171,181,185,192,202,207,212,219,227,234,251,258,261,276,283, %U A072423 291,313,320,343,350,366,375,382,401,408,412,427,434,443,455,462 %N A072423 The t-est sequence is similar to the Aronson sequence except that instead of being in English it is in Latin. %D A072423 M. J. Halm, Newies, Mpossibilities 64, p. 3 (Mar. 1997) %H A072423 M. J. Halm, <a href="http://michaelhalm.tripod.com/andre_joyce_s_coined_words.htm">neologisms</a> %F A072423 From the generating sentence: "T est prima et quarta et undecima et sexima decima et nona decima et nona vicesima ... littera in hic sententiam." %e A072423 a(2) = 4 because the T in the first use of the word, est, is the fourth in the generating sentence. %Y A072423 Cf. A005224, A014367, A072886, A072887. %K A072423 nonn,word %O A072423 1,2 %A A072423 _Michael Joseph Halm_, Jul 31 2002