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A029871 Number of connected functions on n points with a loop of length 8. 0
1, 1, 6, 25, 104, 384, 1380, 4729, 15806, 51478, 164788, 519296, 1617066, 4983855, 15233671, 46235252, 139506803, 418838281, 1252174861, 3730058316, 11077154790, 32808815240, 96953599162, 285945645659 (list; graph; refs; listen; history; text; internal format)
OFFSET

8,3

LINKS

Table of n, a(n) for n=8..31.

C. G. Bower, Transforms

FORMULA

"CIK[ 8 ]" (necklace, indistinct, unlabeled, 8 parts) transform of A000081.

CROSSREFS

Sequence in context: A037481 A199844 A267536 * A188178 A147543 A212258

Adjacent sequences:  A029868 A029869 A029870 * A029872 A029873 A029874

KEYWORD

nonn

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified February 18 15:33 EST 2018. Contains 299324 sequences. (Running on oeis4.)