login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A178944
as a simple table
n
a(n)
1
1
2
2
3
4
4
11
5
34
6
156
7
1044
8
12346
9
274646
10
12005070
[1,2,4,11,34,156,1044,12346,274646,12005070]