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 A089613 #5 Oct 09 2013 14:20:15 %S A089613 1,8,25,49,83,126,176,241,307,377,457,547,639,746,857,988,1124,1273, %T A089613 1427,1598,1786,1995,2225,2472,2723,2995,3276,3568,3882,4202,4526, %U A089613 4868,5214,5569,5932,6310,6690,7078,7485,7896,8317,8761,9211,9665,10143 %N A089613 "The partial sums of the positions where T occurs in this sentence are one, eight, twentyfive, fortynine, eightythree, onehundredtwentysix, ..." (Variation of Aronson's sequence). %D A089613 A. J. Aronson, quoted by D. R. Hofstadter in Metamagical Themas, Basic Books, NY, 1985, p. 44. %e A089613 The sentence begins: %e A089613 1234567890 1234567890 1234567890 1234567890 1234567890 %e A089613 Thepartial sumsofthep ositionswh ereToccurs inthissent %e A089613 enceareone eighttwent yfivefourt ynineeight ythreeoneh %e A089613 undredtwen tysixonehu ndredseven tysixtwohu ndredforty %e A089613 onethreehu ndredseven threehundr edseventys evenfourhu %e A089613 ndredfifty sevenfiveh undredfort ysevensixh undredthir %e A089613 tynineseve nhundredfo rtysixeigh thundredfi ftysevenni %Y A089613 Cf. A005224. %K A089613 base,easy,nonn,word %O A089613 1,2 %A A089613 _Sam Alexander_, Jan 03 2004; corrected Mar 01 2005