login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A046158
as a simple table
n
a(n)
1
1
2
2
3
3
4
5
5
6
6
7
7
12
8
19
9
26
10
97
11
123
12
149
13
272
14
395
15
5258
16
5653
17
26685
18
31943
19
58628
20
500967
21
559595
[1,2,3,5,6,7,12,19,26,97,123,149,272,395,5258, 5653,26685,31943,58628,500967,559595]