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A243798
as a simple table
n
a(n)
1
1
2
1
3
2
4
5
5
6
6
12
7
25
8
55
9
126
10
304
11
745
12
1893
13
4893
14
12916
15
34562
16
93844
[1,1,2,5,6,12,25,55,126,304,745,1893,4893,12916, 34562,93844]