%I #9 Sep 13 2018 03:05:09
%S 1,0,1,1,1,2,2,3,3,7,7,11,14,18,33,40,55,74,104,123,225,259,373,479,
%T 668,846,1119,1732,2137,2894,3806,5055,6531,8707,10747,16427,19814,
%U 26838,34161,45832,57499,76406,96032,122943,173325,214435
%N "BGK" (reversible, element, unlabeled) transform of 0,1,1,1,...
%H Andrew Howroyd, <a href="/A032060/b032060.txt">Table of n, a(n) for n = 0..1000</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+prod(k=2, n, 1 + x^k*y + O(x*x^n)))] \\ _Andrew Howroyd_, Sep 13 2018
%K nonn
%O 0,6
%A _Christian G. Bower_
%E a(0)=1 prepended by _Andrew Howroyd_, Sep 13 2018