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A018614
as a simple table
n
a(n)
1
1
2
2
3
4
4
7
5
8
6
13
7
14
8
26
9
28
10
52
11
56
12
91
13
104
14
182
15
364
16
728
[1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728]
