login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A158865
as a simple table
n
a(n)
0
0
1
8
2
20
3
36
4
56
5
80
6
108
7
140
[0,8,20,36,56,80,108,140]