login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A190298
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
15
11
16
12
17
13
18
14
19
15
27
16
28
17
29
18
38
19
39
20
49
[1,2,3,4,5,6,7,8,9,15,16,17,18,19,27,28,29,38,39, 49]