A020753
formatted 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
10
11
12
12
13
13
14
14
15
15
16
[1,2,3,4,5,6,7,8,9,10,12,13,14,15,16]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 11 12:57 EST 2009. Contains 170656 sequences.
AT&T Labs Research
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