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A322051
as a simple table
n
a(n)
0
1
1
1
2
2
3
4
4
6
5
11
6
22
7
43
8
86
9
171
10
342
11
683
12
1366
13
2731
14
5462
[1,1,2,4,6,11,22,43,86,171,342,683,1366,2731,5462]
