login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A068761
as a simple table
n
a(n)
1
1
2
16269
3
105227044417
4
278175212679968120043
[1,16269,105227044417,278175212679968120043]