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A032217 "DFK" (bracelet, size, unlabeled) transform of 1,3,5,7... 1
1, 1, 3, 8, 12, 31, 56, 107, 168, 372, 830, 1302, 2527, 4370, 9478, 25268, 38655, 72876, 133073, 238255, 477957, 1357657, 1967349, 3747310, 6374674, 11569115, 19219719, 38342864, 104469668, 150682797, 276855048 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..1000

C. G. Bower, Transforms (2)

PROG

(PARI) seq(n)={apply(p->subst(serlaplace(p/y + polcoeff(p, 1) + polcoeff(p, 2)), y, 1)/2, Vec(y-1+prod(k=1, n, 1 + (2*k-1)*x^k*y + O(x*x^n))))} \\ Andrew Howroyd, Jun 21 2018

CROSSREFS

Sequence in context: A178720 A027292 A032304 * A032142 A032046 A247396

Adjacent sequences:  A032214 A032215 A032216 * A032218 A032219 A032220

KEYWORD

nonn

AUTHOR

Christian G. Bower

EXTENSIONS

a(0)=1 prepended by Andrew Howroyd, Jun 21 2018

STATUS

approved

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Last modified October 15 15:30 EDT 2018. Contains 316236 sequences. (Running on oeis4.)