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A305782 Number of set partitions of [n] with alternating parity of elements and exactly eight blocks. 1
1, 8, 48, 254, 1284, 6456, 31559, 155828, 747046, 3633393, 17131855, 82235382, 382314833, 1814891650, 8339187411, 39220306016, 178502457056, 832998001071, 3762499165935, 17443657250690, 78322897989851, 361141330169264, 1614162421290491, 7409032399939348 (list; graph; refs; listen; history; text; internal format)
OFFSET

8,2

LINKS

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

Wikipedia, Partition of a set

CROSSREFS

Column k=8 of A274581.

Sequence in context: A079763 A079785 A225977 * A292536 A242668 A002697

Adjacent sequences:  A305779 A305780 A305781 * A305783 A305784 A305785

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jun 10 2018

STATUS

approved

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Last modified October 25 05:19 EDT 2021. Contains 348239 sequences. (Running on oeis4.)