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A032148

"CGJ" (necklace, element, labeled) transform of 2,1,1,1...

1, 2, 3, 7, 33, 61, 328, 3095, 7045, 30145, 212016, 3862255, 10092998, 52268061, 256785740, 2618368009, 80483017741, 246673367497, 1454085687760, 7890538177343, 54136806043810, 685204537622497, 35095310513256280

(list; graph; refs; listen; history; text; internal format)

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(y-1+serlaplace((1 + x*y)*prod(k=1, n, 1 + x^k*y/k! + O(x*x^n))))] \\ Andrew Howroyd, Sep 11 2018

CROSSREFS

Sequence in context: A337221 A161471 A057677 * A101484 A004026 A135907

Adjacent sequences: A032145 A032146 A032147 * A032149 A032150 A032151

KEYWORD

nonn

AUTHOR

Christian G. Bower

EXTENSIONS

a(0)=1 prepended by Andrew Howroyd, Sep 11 2018

STATUS

approved

URL: https://oeis.org/A032148

⇱ A032148 - OEIS