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 A135808 #12 Jul 01 2023 09:15:00 %S A135808 0,0,1,1,8,8,159,659,6824,4668,517581,4941685,61043344,367628164, %T A135808 10269016939,147207286503,2322683458544,19149119743336, %U A135808 677630804946393,2516289402924117,247342217288517496,2548438247219028464 %N A135808 Numerator of z-sequence for the Sheffer (Appell type) triangle A134832 (circular succession numbers). %C A135808 The denominators are given in A126352. %C A135808 For the a- and z-sequences of Sheffer triangles see the W. Lang link under A006232. %H A135808 Wolfdieter Lang, <a href="/A135808/a135808.txt">Rationals r(n). </a> %F A135808 a(n) = denominator(r(n)) with the rationals r(n) from the given e.g.f. %F A135808 E.g.f. for rationals r(n): (1-exp(x)/(1-log(1-x)))/x. %e A135808 Rationals r(n)=[0,0,1/3, 1/4, 8/5, 8/3, 159/7, 659/8, 6824/9, 4668, 517581/11,...]. %Y A135808 Cf. A126352 (denominators), A134832. %K A135808 nonn,easy %O A135808 0,5 %A A135808 _Wolfdieter Lang_, Dec 06 2007