A208651 - cp's OEIS frontend

A208651 Number of paths through the subset array whose trace is a permutation of (1,2,...,n); see Comments.

n	a(n)
1	1
2	2
3	12
4	216
5	11520
6	1800000
7	816480000
8	1067311728000
9	3996990937497600
10	42672954793151692800
11	1293547461212160000000000
12	110950032218933108678400000000
13	26847804299643702075375747072000000

[1, 2, 12, 216, 11520, 1800000, 816480000, 1067311728000, 3996990937497600, 42672954793151692800, 1293547461212160000000000, 110950032218933108678400000000, 26847804299643702075375747072000000]

cp's OEIS Frontend

A208651 Number of paths through the subset array whose trace is a permutation of (1,2,...,n); see Comments.

Table of values

List of values