A032137 "CFJ" (necklace, size, labeled) transform of 1,3,5,7...

1, 1, 3, 14, 27, 194, 2180, 6292, 32235, 340706, 8923824, 27260408, 178494888, 1143651456, 18358542488, 920187284252, 3190427876155, 22452876941634, 154193186847608, 1427331360177616, 30063060295205628

Offset

0,3

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(y-1+serlaplace(prod(k=1, n, (1 + (2*k-1)*x^k*y/k! + O(x*x^n)))))] \\ Andrew Howroyd, Sep 12 2018

Crossrefs

Sequence in context: A297433 A032300 A032212 * A032041 A031002 A085762

Adjacent sequences: A032134 A032135 A032136 * A032138 A032139 A032140

Keyword

nonn

Author

Christian G. Bower

Extensions

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

Status

approved