login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A197173
as a simple table
n
a(n)
1
1
2
5
3
41
4
969
5
92206
6
22335117
7
16686610707
8
35396160304609
9
218937410204781995
10
3910004408912399352584
[1,5,41,969,92206,22335117,16686610707, 35396160304609,218937410204781995, 3910004408912399352584]