%I #11 Sep 13 2018 15:48:42
%S 1,1,2,9,16,85,1236,3199,16360,127089,4000060,11611171,72911004,
%T 442913497,5177797002,290010308085,978349601296,6728549447185,
%U 44033288884380,385256716186411,5731544164765060,556321576055732361,2110915493489006842,16434402369599464141
%N "BFJ" (reversible, size, labeled) transform of 1,2,3,4...
%H Andrew Howroyd, <a href="/A032040/b032040.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(prod(k=1, n, (1 + k*x^k*y/k! + O(x*x^n)))))] \\ _Andrew Howroyd_, Sep 12 2018
%K nonn
%O 0,3
%A _Christian G. Bower_
%E a(0)=1 prepended and terms a(21) and beyond from _Andrew Howroyd_, Sep 12 2018