login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A323841
as a simple table
n
a(n)
0
1
1
1
2
2
3
6
4
158
5
1330
6
15414
7
245578
8
5382862
[1,1,2,6,158,1330,15414,245578,5382862]