A032045 "BFK" (reversible, size, unlabeled) transform of 1,2,3,4...

1, 1, 2, 5, 7, 15, 37, 59, 108, 222, 614, 892, 1799, 3045, 6085, 15988, 23820, 43421, 75990, 132772, 234815, 621314, 875065, 1608843, 2631976, 4602611, 7356750, 13220265, 31805483, 45438961, 79680329, 129435579, 215654860

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

Crossrefs

Sequence in context: A032216 A285290 A032141 * A207035 A322440 A067580

Adjacent sequences: A032042 A032043 A032044 * A032046 A032047 A032048

Keyword

nonn

Author

Christian G. Bower

Extensions

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

Status

approved