%I #9 Sep 12 2018 15:08:10
%S 1,2,3,7,45,81,478,5867,13037,57181,416106,9366765,24102158,125977853,
%T 621133087,6482455264,237256616397,718626520557,4265634533602,
%U 23104830030581,159301153786730,2042750381131807
%N "BGJ" (reversible, element, labeled) transform of 2,1,1,1...
%H Andrew Howroyd, <a href="/A032053/b032053.txt">Table of n, a(n) for n = 0..200</a>
%H C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>
%o (PARI) seq(n)=[subst(serlaplace(y^0*p + polcoeff(p,1)),y,1)/2 | p <- Vec(y-1+serlaplace((1 + x*y)*prod(k=1, n, 1 + x^k*y/k! + O(x*x^n))))] \\ _Andrew Howroyd_, Sep 12 2018
%K nonn
%O 0,2
%A _Christian G. Bower_
%E a(0)=1 prepended by _Andrew Howroyd_, Sep 12 2018