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A032209 "DFJ" (bracelet, size, labeled) transform of 2,2,2,2... 1
1, 2, 2, 14, 18, 62, 566, 1094, 3954, 17150, 646182, 1460054, 7152294, 32145622, 215489878, 15152657534, 41699885554, 237383066942, 1205858271302, 7890800135702, 63929081762358, 8131982041916390, 26062267807810918 (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(p/y + polcoeff(p, 1) + polcoeff(p, 2)), y, 1)/2 | p <- Vec(y-1+serlaplace(prod(k=1, n, 1 + 2*x^k*y/k! + O(x*x^n))))] \\ Andrew Howroyd, Sep 11 2018

CROSSREFS

Sequence in context: A045676 A098288 A032297 * A032134 A032038 A187734

Adjacent sequences:  A032206 A032207 A032208 * A032210 A032211 A032212

KEYWORD

nonn

AUTHOR

Christian G. Bower

EXTENSIONS

a(0)=1 prepended by Andrew Howroyd, Sep 11 2018

STATUS

approved

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Last modified October 22 20:57 EDT 2018. Contains 316502 sequences. (Running on oeis4.)