login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A045504
as a simple table
n
a(n)
1
0
2
1
3
1
4
2
5
3
6
5
7
8
8
55
[0,1,1,2,3,5,8,55]