login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A334629
as a simple table
n
a(n)
0
1
1
2
2
4
3
8
4
16
5
13
6
23
7
17
8
14
9
7
10
6
11
3
12
99
13
369
14
999
15
1999
16
9879
17
19979
[1,2,4,8,16,13,23,17,14,7,6,3,99,369,999,1999, 9879,19979]