A032039 "BFJ" (reversible, size, labeled) transform of 2,1,1,1...

1, 2, 1, 7, 9, 21, 388, 701, 2789, 8581, 325116, 725715, 3549362, 15974921, 77157109, 4774872394, 13166159997, 74350315389, 375874959532, 2464017881123, 14085616954310, 1537975786987987, 4933351699929687

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 + polcoeff(p, 1)), y, 1)/2 | p <- Vec(y-1+serlaplace((1 + 2*x*y)*prod(k=2, n, 1 + x^k*y/k! + O(x*x^n))))] \\ Andrew Howroyd, Sep 12 2018

Crossrefs

Sequence in context: A032298 A032210 A032135 * A203991 A075118 A100245

Adjacent sequences: A032036 A032037 A032038 * A032040 A032041 A032042

Keyword

nonn

Author

Christian G. Bower

Extensions

a(0)=1 prepended by Andrew Howroyd, Sep 12 2018

Status

approved