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A032062 "BGK" (reversible, element, unlabeled) transform of 2,1,1,1,... 1
1, 2, 2, 3, 6, 7, 13, 26, 32, 48, 78, 154, 187, 287, 392, 615, 1104, 1399, 2023, 2822, 3938, 5592, 9744, 12010, 17437, 23519, 32810, 43167, 61734, 96895, 123049, 171206, 230504, 312588, 413394, 555082, 739195, 1133051, 1410680 (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)=[subst(serlaplace(y^0*p + polcoeff(p, 1)), y, 1)/2 | p <- Vec(y-1+(1 + x*y)*prod(k=1, n, 1 + x^k*y + O(x*x^n)))] \\ Andrew Howroyd, Sep 13 2018

CROSSREFS

Sequence in context: A106369 A298436 A228577 * A303028 A011141 A159915

Adjacent sequences:  A032059 A032060 A032061 * A032063 A032064 A032065

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 23 15:13 EDT 2018. Contains 316528 sequences. (Running on oeis4.)