A305784 Number of set partitions of [n] with alternating parity of elements and exactly ten blocks.

1, 10, 75, 495, 3135, 19657, 120678, 743321, 4480240, 27176489, 161160411, 964119615, 5635200174, 33302382467, 192186538999, 1123752073702, 6413666231367, 37159362571856, 210072026510678, 1207564204033112, 6771732706003311, 38664907592673960, 215359228721631996

Offset

10,2

Links

Table of n, a(n) for n=10..32.

Wikipedia, Partition of a set

Crossrefs

Column k=10 of A274581.

Sequence in context: A022734 A027203 A291003 * A053464 A111998 A026935

Adjacent sequences: A305781 A305782 A305783 * A305785 A305786 A305787

Keyword

nonn

Author

Alois P. Heinz, Jun 10 2018

Status

approved