login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A210607
as a simple table
n
a(n)
1
0
2
1
3
4
4
9
5
12
6
16
7
20
8
25
9
36
[0,1,4,9,12,16,20,25,36]