

A032135


"CFJ" (necklace, size, labeled) transform of 2,1,1,1...


1



1, 2, 1, 7, 9, 21, 268, 491, 1893, 5809, 166476, 373275, 1812374, 8077317, 38851660, 1934306029, 5374689421, 30125069097, 152234643292, 991832638619, 5660219512530, 516732891172537, 1664067117563368
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OFFSET

0,2


LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..200
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+serlaplace((1 + 2*x*y)*prod(k=2, n, 1 + x^k*y/k! + O(x*x^n))))] \\ Andrew Howroyd, Sep 12 2018


CROSSREFS

Sequence in context: A026252 A032298 A032210 * A032039 A203991 A075118
Adjacent sequences: A032132 A032133 A032134 * A032136 A032137 A032138


KEYWORD

nonn


AUTHOR

Christian G. Bower


EXTENSIONS

a(0)=1 prepended by Andrew Howroyd, Sep 12 2018


STATUS

approved



