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 A059192 #29 Apr 13 2018 11:22:53
%S A059192 2,11,12,13,53,348,5263,9960,17040,33193,72960,125350,663179,1096815,
%T A059192 3481893,4802237,7782503,9659740,279957736,454935116,460488754,
%U A059192 1710020367,51367039980,55286622194,323648965384,2061149370731
%N A059192 Engel expansion of log(1/gamma) (where gamma is the Euler-Mascheroni constant A001620) = 0.549539...
%C A059192 Cf. A006784 for definition of Engel expansion.
%D A059192 F. Engel, Entwicklung der Zahlen nach Stammbruechen, Verhandlungen der 52. Versammlung deutscher Philologen und Schulmaenner in Marburg, 1913, pp. 190-191.
%H A059192 G. C. Greubel, <a href="/A059192/b059192.txt">Table of n, a(n) for n = 1..1000</a>
%H A059192 F. Engel, <a href="/A006784/a006784.pdf">Entwicklung der Zahlen nach Stammbruechen</a>, Verhandlungen der 52. Versammlung deutscher Philologen und Schulmaenner in Marburg, 1913, pp. 190-191. English translation by Georg Fischer, included with his permission.
%H A059192 P. Erdős and Jeffrey Shallit, <a href="http://www.numdam.org/item?id=JTNB_1991__3_1_43_0">New bounds on the length of finite Pierce and Engel series</a>, Sem. Theor. Nombres Bordeaux (2) 3 (1991), no. 1, 43-53.
%H A059192 <a href="/index/El#Engel">Index entries for sequences related to Engel expansions</a>
%t A059192 EngelExp[A_, n_] := Join[Array[1 &, Floor[A]], First@Transpose@
%t A059192 NestList[{Ceiling[1/Expand[#[[1]] #[[2]] - 1]], Expand[#[[1]] #[[2]] - 1]/1} &, {Ceiling[1/(A - Floor[A])], (A - Floor[A])/1}, n - 1]];
%t A059192 EngelExp[N[Log[1/EulerGamma], 7!], 100] (* Modified by _G. C. Greubel_, Dec 27 2016 *)
%Y A059192 Cf. A002389.
%K A059192 nonn,easy,nice
%O A059192 1,1
%A A059192 _Mitch Harris_