login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A231043
as a simple table
n
a(n)
1
0
2
2
3
50
4
2080
5
344136
6
448752816
7
1729680196768
8
24300980960474112
9
1325427072324524913988
[0,2,50,2080,344136,448752816,1729680196768, 24300980960474112,1325427072324524913988]