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 A068479 #7 Mar 30 2012 18:38:53 %S A068479 1,1,1,2,4,205,4009,5523,14063,32669,47704,196620,589791,782889, %T A068479 804393,849445,976320,1256587,1789793,9067576,17283444,18567900, %U A068479 24793858,59704212,60741675,130071084,216799081,1518169585,4849913556 %N A068479 Engel expansion of Gamma(1/4)=3.62560990822190831193... %C A068479 The Gamma function is defined by Gamma(0)=1 and the functional equation Gamma(x+1)=(x+1)*Gamma(x) Gamma(1/4)=3.62560990822190831193... %F A068479 Gamma(1/4)=sum(i>0, prod(n=1, i, 1/a(n))) %o A068479 (PARI) s=gamma(1/4); for(i=0,40,s=s*ceil(1/s)-1; print1(ceil(1/s),","); ); %Y A068479 Cf. A006784. %K A068479 easy,nonn %O A068479 1,4 %A A068479 _Benoit Cloitre_, Mar 10 2002