

A032159


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


1



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
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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(y1+prod(k=1, n, (1 + x^k*y + O(x*x^n))^(2*k1)))] \\ 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



