A067471
formatted as a simple table:
n
a(n)
1
1
2
4
3
5
4
6
5
7
6
7
7
8
8
8
9
8
10
8
11
9
12
9
13
9
14
9
15
9
16
9
17
9
18
9
19
9
20
9
21
9
[1,4,5,6,7,7,8,8,8,8,9,9,9,9,9,9,9,9,9,9,9]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
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