A271758 Number of set partitions of [n+7] such that n is the largest element of the last block.

0, 1, 130, 2703, 33365, 340030, 3195161, 29058813, 262138728, 2377526345, 21850848681, 204453592904, 1953119434331, 19080748941293, 190810410926266, 1954112246621755, 20497535793993225, 220206906232309694, 2422414243364061229, 27278730807823249481

Offset

1,3

Links

Alois P. Heinz, Table of n, a(n) for n = 1..570

Wikipedia, Partition of a set

Formula

a(n) = A271466(n+7,n).

Example

a(2) = 1: 13456789|2.

Crossrefs

A diagonal of A271466.

Sequence in context: A250212 A239094 A084641 * A228997 A168124 A224169

Adjacent sequences: A271755 A271756 A271757 * A271759 A271760 A271761

Keyword

nonn

Author

Alois P. Heinz, Apr 13 2016

Status

approved