A057543
formatted as a simple table:
n
a(n)
0
1
1
1
2
2
3
3
4
8
5
10
6
12
7
14
8
16
9
18
10
20
11
22
12
24
13
26
14
28
15
30
16
32
17
34
18
36
19
38
20
40
21
42
22
44
23
46
24
48
25
50
26
52
[1,1,2,3,8,10,12,14,16,18,20,22,24,26,28,30,32,34, 36,38,40,42,44,46,48,50,52]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
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