login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A069400
as a simple table
n
a(n)
2
1
3
1219
4
587031
5
182702967
6
44515781333
[1,1219,587031,182702967,44515781333]
