login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A340630
as a simple table
n
a(n)
1
0
2
6
3
9
4
27
5
63
6
128
7
237
[0,6,9,27,63,128,237]