login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A216598
as a simple table
n
a(n)
0
1
1
2
2
16
3
164
4
1866
5
22518
6
282184
7
3630256
8
47614214
9
633835642
10
8537220172
[1,2,16,164,1866,22518,282184,3630256,47614214, 633835642,8537220172]