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A140469
as a simple table
n
a(n)
1
1
2
1
3
2
4
5
5
10
6
8
7
28
8
15
9
32
10
53
11
167
12
136
13
444
14
367
15
579
16
935
17
3073
18
2442
19
4052
20
6483
[1,1,2,5,10,8,28,15,32,53,167,136,444,367,579,935, 3073,2442,4052,6483]