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A032316 "EGJ" (unordered, element, labeled) transform of 1,3,5,7... 1
1, 1, 3, 14, 45, 284, 1570, 9267, 70189, 496232, 4010526, 34481105, 308516868, 2926837289, 29200525341, 307118111601, 3309789462677, 37814191683984, 445615694701030, 5424871661765829, 68774736287172136, 898086216694079703, 12111344019974440847 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

C. G. Bower, Transforms (2)

FORMULA

E.g.f: Product_{k > 0} (1 + x^k/k!)^(2*k-1). - Andrew Howroyd, Sep 11 2018

PROG

(PARI) seq(n)={Vec(serlaplace(prod(k=1, n, (1 + x^k/k! + O(x*x^n))^(2*k-1))))} \\ Andrew Howroyd, Sep 11 2018

CROSSREFS

Sequence in context: A261481 A059672 A302225 * A032225 A032150 A032055

Adjacent sequences:  A032313 A032314 A032315 * A032317 A032318 A032319

KEYWORD

nonn

AUTHOR

Christian G. Bower

EXTENSIONS

a(0)=1 prepended and terms a(21) and beyond from Andrew Howroyd, Sep 11 2018

STATUS

approved

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Last modified November 19 05:29 EST 2018. Contains 317333 sequences. (Running on oeis4.)