login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A249834
as a simple table
n
a(n)
1
7
2
729
3
7290099019
4
72900990191475181426079596544
[7,729,7290099019,72900990191475181426079596544]