login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A215409
as a simple table
n
a(n)
0
3
-1
3
-2
3
-3
2
-4
1
-5
0
[3,3,3,2,1,0]