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
Keywords
Examples
a(2) = 1: 13456789|2.
Links
- Alois P. Heinz, Table of n, a(n) for n = 1..570
- Wikipedia, Partition of a set
Crossrefs
A diagonal of A271466.
Formula
a(n) = A271466(n+7,n).