login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A193854
as a simple table
n
a(n)
1
0
2
1
3
4
4
24
5
191
6
3096
7
3728
8
6320
9
314102
10
9645152
11
187895163
[0,1,4,24,191,3096,3728,6320,314102,9645152, 187895163]