login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A049339
as a simple table
n
a(n)
1
1
2
1
3
2
4
3
5
6
6
14
7
36
8
121
9
533
10
3067
11
21798
12
180898
13
1648907
14
15977626
[1,1,2,3,6,14,36,121,533,3067,21798,180898, 1648907,15977626]