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A032044 "BFK" (reversible, size, unlabeled) transform of 2,1,1,1... 1
1, 2, 1, 3, 3, 4, 10, 11, 17, 21, 51, 55, 88, 116, 161, 312, 381, 544, 748, 1055, 1331, 2493, 2925, 4279, 5626, 7916, 10187, 13872, 22179, 27568, 38062, 50687, 68345, 89337, 120063, 151999, 237592, 289136, 396905, 512496, 693993 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

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 + polcoeff(p, 1)), y, 1)/2, Vec(y-1 + (1+2*x*y)*prod(k=2, n, 1 + x^k*y + O(x*x^n))))} \\ Andrew Howroyd, Jun 21 2018

CROSSREFS

Sequence in context: A078019 A038071 A032140 * A158974 A152993 A178133

Adjacent sequences:  A032041 A032042 A032043 * A032045 A032046 A032047

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 18 09:47 EDT 2018. Contains 316319 sequences. (Running on oeis4.)