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A032064 "BGK" (reversible, element, unlabeled) transform of 1,3,5,7,... 1
1, 1, 3, 8, 15, 40, 99, 236, 646, 1584, 4081, 10349, 25912, 64722, 160286, 397687, 966020, 2371653, 5743454, 13810783, 33249279, 79400369, 188904792, 446408824, 1054545693, 2475898367, 5787434089, 13484174982 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..500

C. G. Bower, Transforms (2)

PROG

(PARI) seq(n)=[subst(serlaplace(y^0*p + polcoeff(p, 1)), y, 1)/2 | p <- Vec(y-1+prod(k=1, n, (1 + x^k*y + O(x*x^n))^(2*k-1)))] \\ Andrew Howroyd, Sep 13 2018

CROSSREFS

Sequence in context: A132810 A032159 A174982 * A151397 A216466 A303259

Adjacent sequences:  A032061 A032062 A032063 * A032065 A032066 A032067

KEYWORD

nonn

AUTHOR

Christian G. Bower

EXTENSIONS

a(0)=1 prepended by Andrew Howroyd, Sep 13 2018

STATUS

approved

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Last modified October 20 01:25 EDT 2018. Contains 316378 sequences. (Running on oeis4.)