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A032014 "AGJ" (ordered, elements, labeled) transform of 2,2,2,2,... 1
1, 2, 6, 26, 190, 722, 7770, 50570, 303614, 4978898, 28560946, 249598010, 3921446506, 40463101850, 312501134098, 2922002830706, 81019507028734, 621574793581010, 6971887587108882, 67208089701951674, 1804527636721939490, 24767209606785282698, 246837597799949869378 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..200

C. G. Bower, Transforms (2)

PROG

(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

CROSSREFS

Sequence in context: A288607 A086584 A211604 * A112948 A007139 A306147

Adjacent sequences:  A032011 A032012 A032013 * A032015 A032016 A032017

KEYWORD

nonn

AUTHOR

Christian G. Bower

EXTENSIONS

a(0)=1 prepended and terms a(20) and beyond from Andrew Howroyd, Sep 13 2018

STATUS

approved

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Last modified October 20 07:17 EDT 2018. Contains 316378 sequences. (Running on oeis4.)