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A048237
as a simple table
n
a(n)
1
1
2
1
3
2
4
5
5
8
6
16
7
30
8
54
9
94
10
168
11
287
12
493
13
831
14
1391
15
2293
16
3769
17
6114
18
9867
[1,1,2,5,8,16,30,54,94,168,287,493,831,1391,2293, 3769,6114,9867]