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A274942
as a simple table
n
a(n)
3
1
4
1
5
1
6
2
7
2
8
4
9
6
10
12
11
18
12
41
13
66
14
154
15
265
16
628
17
1132
18
2748
19
5098
20
12444
[1,1,1,2,2,4,6,12,18,41,66,154,265,628,1132,2748, 5098,12444]