A032158 "CGK" (necklace, element, unlabeled) transform of 1,2,3,4,...

1, 1, 2, 5, 8, 17, 34, 63, 130, 255, 512, 1011, 2054, 4057, 7990, 16261, 31870, 63341, 124692, 247123, 487028, 952439, 1866764, 3640427, 7134760, 13808661, 26792704, 51847089, 100150988, 192939285, 370315400

Offset

0,3

Links

Andrew Howroyd, Table of n, a(n) for n = 0..1000

Index entries for sequences related to Lyndon words

C. G. Bower, Transforms (2)

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))^k))] \\ Andrew Howroyd, Sep 13 2018

Crossrefs

Sequence in context: A054755 A093331 A162216 * A103745 A181586 A112361

Adjacent sequences: A032155 A032156 A032157 * A032159 A032160 A032161

Keyword

nonn

Author

Christian G. Bower

Status

approved