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A112346
as a simple table
n
a(n)
1
1
2
2
3
5
4
8
5
17
6
26
7
53
8
80
9
161
10
242
11
485
12
728
13
1457
14
2186
15
4373
16
6560
17
13121
18
19682
[1,2,5,8,17,26,53,80,161,242,485,728,1457,2186, 4373,6560,13121,19682]