%I
%S 1,2,1,7,9,21,388,701,2789,8581,325116,725715,3549362,15974921,
%T 77157109,4774872394,13166159997,74350315389,375874959532,
%U 2464017881123,14085616954310,1537975786987987,4933351699929687
%N "BFJ" (reversible, size, labeled) transform of 2,1,1,1...
%H Andrew Howroyd, <a href="/A032039/b032039.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(y1+serlaplace((1 + 2*x*y)*prod(k=2, 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
