A032064 "BGK" (reversible, element, unlabeled) transform of 1,3,5,7,...

1, 1, 3, 8, 15, 40, 99, 236, 646, 1584, 4081, 10349, 25912, 64722, 160286, 397687, 966020, 2371653, 5743454, 13810783, 33249279, 79400369, 188904792, 446408824, 1054545693, 2475898367, 5787434089, 13484174982

Offset

0,3

Links

Andrew Howroyd, Table of n, a(n) for n = 0..500

C. G. Bower, Transforms (2)

Prog

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

Crossrefs

Sequence in context: A132810 A032159 A174982 * A151397 A369711 A369983

Adjacent sequences: A032061 A032062 A032063 * A032065 A032066 A032067

Keyword

nonn

Author

Christian G. Bower

Extensions

a(0)=1 prepended by Andrew Howroyd, Sep 13 2018

Status

approved