login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A226495
as a simple table
n
a(n)
1
2
2
8
3
34
4
134
5
615
6
2813
7
13415
8
65162
9
323858
10
1626844
11
8268241
12
42417710
[2,8,34,134,615,2813,13415,65162,323858,1626844, 8268241,42417710]