%I #9 Sep 20 2018 00:32:13
%S 2,2,6,42,438,5898,97014,1884618,42222582,1071688842,30393721206,
%T 952533098442,32690403883638,1219333519991178,49114397219993334,
%U 2124699300233067978,98248029245810336502,4835941425413467183242
%N Shifts left under "BIJ" (reversible, indistinct, labeled) transform.
%H Andrew Howroyd, <a href="/A032117/b032117.txt">Table of n, a(n) for n = 1..200</a>
%H C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>
%o (PARI) BIJ(p)={(1-p^2/2)/(1-p) - 1}
%o seq(n)={my(p=O(x)); for(i=1, n, p=intformal(2+BIJ(p))); Vec(serlaplace(p))} \\ _Andrew Howroyd_, Sep 19 2018
%K nonn
%O 1,1
%A _Christian G. Bower_