login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A275012
as a simple table
n
a(n)
0
1
1
1
2
4
3
11
4
29
5
69
6
174
7
413
8
995
9
2364
10
5581
11
13082
12
30600
13
71111
14
164660
15
379682
16
872749
[1,1,4,11,29,69,174,413,995,2364,5581,13082,30600, 71111,164660,379682,872749]