login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A181323
as a simple table
n
a(n)
0
1
1
27
2
270
3
1278
4
3078
5
3888
6
2592
7
918
8
189
9
21
[1,27,270,1278,3078,3888,2592,918,189,21]
