A032001 "AFJ" (ordered, size, labeled) transform of 2,1,1,1,...

1, 2, 1, 13, 17, 41, 775, 1401, 5577, 17161, 650231, 1451429, 7098723, 31949841, 154314217, 9549744787, 26332319993, 148700630777, 751749919063, 4928035762245, 28171233908619, 3075951573975973, 9866703399859373, 65413443830714351, 364017353336405579

Offset

0,2

Links

Andrew Howroyd, Table of n, a(n) for n = 0..200

C. G. Bower, Transforms (2)

Prog

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

Crossrefs

Sequence in context: A192795 A074808 A113097 * A358205 A118679 A087451

Adjacent sequences: A031998 A031999 A032000 * A032002 A032003 A032004

Keyword

nonn

Author

Christian G. Bower

Extensions

a(0)=1 prepended and terms a(23) and beyond from Andrew Howroyd, Sep 13 2018

Status

approved