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A075529
as a simple table
n
a(n)
1
1
2
2
3
4
4
8
5
16
6
30
7
55
8
98
9
175
10
310
11
555
12
986
13
1757
14
3138
15
5618
[1,2,4,8,16,30,55,98,175,310,555,986,1757,3138, 5618]