A032014 - OEIS

%I #8 Sep 13 2018 18:33:29

%S 1,2,6,26,190,722,7770,50570,303614,4978898,28560946,249598010,

%T 3921446506,40463101850,312501134098,2922002830706,81019507028734,

%U 621574793581010,6971887587108882,67208089701951674,1804527636721939490,24767209606785282698,246837597799949869378

%N "AGJ" (ordered, elements, labeled) transform of 2,2,2,2,...

%H Andrew Howroyd, <a href="/A032014/b032014.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),y,1) | p <- Vec(serlaplace(prod(k=1, n, 1 + x^k*y/k! + O(x*x^n))^2))] \\ _Andrew Howroyd_, Sep 13 2018

%K nonn

%O 0,2

%A _Christian G. Bower_

%E a(0)=1 prepended and terms a(20) and beyond from _Andrew Howroyd_, Sep 13 2018