A085940
formatted as a simple table:
n
a(n)
0
1
1
2
2
4
3
8
4
16
5
32
6
64
7
128
8
256
9
512
10
2
11
6
12
18
13
54
14
162
15
486
16
1458
17
4374
18
13122
19
39366
20
4
[1,2,4,8,16,32,64,128,256,512,2,6,18,54,162,486, 1458,4374,13122,39366,4]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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