login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A018740
as a simple table
n
a(n)
1
1
2
2
3
4
4
7
5
8
6
14
7
17
8
28
9
34
10
56
11
68
12
119
13
136
14
238
15
476
16
952
[1,2,4,7,8,14,17,28,34,56,68,119,136,238,476,952]