A032040 "BFJ" (reversible, size, labeled) transform of 1,2,3,4...

1, 1, 2, 9, 16, 85, 1236, 3199, 16360, 127089, 4000060, 11611171, 72911004, 442913497, 5177797002, 290010308085, 978349601296, 6728549447185, 44033288884380, 385256716186411, 5731544164765060, 556321576055732361, 2110915493489006842, 16434402369599464141

Offset

0,3

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(prod(k=1, n, (1 + k*x^k*y/k! + O(x*x^n)))))] \\ Andrew Howroyd, Sep 12 2018

Crossrefs

Sequence in context: A032299 A032211 A032136 * A045661 A369647 A078707

Adjacent sequences: A032037 A032038 A032039 * A032041 A032042 A032043

Keyword

nonn

Author

Christian G. Bower

Extensions

a(0)=1 prepended and terms a(21) and beyond from Andrew Howroyd, Sep 12 2018

Status

approved