A032159 "CGK" (necklace, element, unlabeled) transform of 1,3,5,7,...

1, 1, 3, 8, 15, 37, 83, 184, 443, 1007, 2369, 5536, 12941, 30203, 70383, 164822, 380489, 887367, 2051543, 4727014, 10906833, 25042049, 57393717, 130934806, 298811135, 679012501, 1538770499, 3479066516, 7844360471

Offset

0,3

Links

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

C. G. Bower, Transforms (2)

Index entries for sequences related to Lyndon words

Prog

(PARI) seq(n)=[subst(serlaplace(p/y), y, 1) | 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: A137475 A176433 A132810 * A174982 A032064 A151397

Adjacent sequences: A032156 A032157 A032158 * A032160 A032161 A032162

Keyword

nonn

Author

Christian G. Bower

Extensions

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

Status

approved