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A018552
as a simple table
n
a(n)
1
1
2
2
3
4
4
7
5
8
6
11
7
14
8
22
9
28
10
44
11
56
12
77
13
88
14
154
15
308
16
616
[1,2,4,7,8,11,14,22,28,44,56,77,88,154,308,616]
