login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A127297
as a simple table
n
a(n)
0
1
1
1
2
2
3
5
4
10
5
18
6
86
7
345
8
866
9
2639
10
13341
11
46236
12
207882
[1,1,2,5,10,18,86,345,866,2639,13341,46236,207882]
