login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A121098
as a simple table
n
a(n)
0
0
1
1
2
2
3
2
4
8
5
9
6
25
7
27
8
80
9
77
[0,1,2,2,8,9,25,27,80,77]