login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A058037
as a simple table
n
a(n)
1
1
2
2
3
8
4
20
5
40
6
104
7
110
8
208
9
472
10
832
11
1982
12
25628
13
235532
[1,2,8,20,40,104,110,208,472,832,1982,25628, 235532]