login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A181264
as a simple table
n
a(n)
1
2
2
2
3
8
4
63
5
1463
6
96228
7
18531677
[2,2,8,63,1463,96228,18531677]