A032212 "DFJ" (bracelet, size, labeled) transform of 1,3,5,7...

1, 1, 3, 14, 27, 194, 1280, 4087, 17899, 177410, 4475004, 13675793, 89331132, 572094041, 9179761149, 460095124907, 1595216638427, 11226446302402, 77096607671300, 713665720065805, 15031530220319728

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(p/y + polcoeff(p, 1) + polcoeff(p, 2)), y, 1)/2 | p <- Vec(y-1+serlaplace(prod(k=1, n, 1 + (2*k-1)*x^k*y/k! + O(x*x^n))))] \\ Andrew Howroyd, Sep 11 2018

Crossrefs

Sequence in context: A063098 A297433 A032300 * A032137 A032041 A031002

Adjacent sequences: A032209 A032210 A032211 * A032213 A032214 A032215

Keyword

nonn

Author

Christian G. Bower

Extensions

a(0)=1 prepended by Andrew Howroyd, Sep 11 2018

Status

approved