%I #9 Sep 12 2018 15:07:49
%S 1,1,0,1,4,1,6,1,64,1513,130,3961,1024,39469,2380,1187551,69205504,
%T 4918849,294094986,48302713,3676570624,876055573,75640370740,
%U 4647158143,6095587842304,706802444444401,37977841981716
%N "BGJ" (reversible, element, labeled) transform of 1,0,1,0... (odds).
%H Andrew Howroyd, <a href="/A032050/b032050.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, ceil(n/2), 1 + x^(2*k-1)*y/(2*k-1)! + O(x*x^n))))] \\ _Andrew Howroyd_, Sep 12 2018
%K nonn
%O 0,5
%A _Christian G. Bower_
%E a(0)=1 prepended by _Andrew Howroyd_, Sep 12 2018