login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A010376
as a simple table
n
a(n)
1
0
2
1
3
3
4
4
5
9
6
10
7
12
[0,1,3,4,9,10,12]