login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A030700
as a simple table
n
a(n)
1
0
2
1
3
2
4
3
5
4
6
5
7
6
8
7
9
8
10
9
11
11
12
12
13
13
14
14
15
19
16
23
17
24
18
26
19
27
20
28
21
31
22
34
23
68
[0,1,2,3,4,5,6,7,8,9,11,12,13,14,19,23,24,26,27, 28,31,34,68]