login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A098471
as a simple table
n
a(n)
1
1
2
2
3
8
4
2
5
12
6
864
7
4
8
10
9
8
10
72
11
18
12
38
13
2144
14
178
15
472
16
974
17
2200
18
8128
19
4580
20
822
21
3600
22
4100
[1,2,8,2,12,864,4,10,8,72,18,38,2144,178,472,974, 2200,8128,4580,822,3600,4100]