login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A048885
as a simple table
n
a(n)
1
1
2
1
3
1
4
5
5
3
6
130
7
7570
8
355293682
[1,1,1,5,3,130,7570,355293682]