login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A048567
as a simple table
n
a(n)
0
27
1
2744
2
274498269499
3
2744982694991639554391197420455900608
[27,2744,274498269499, 2744982694991639554391197420455900608]