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A333411
as a simple table
n
a(n)
4
1
5
1
6
2
7
5
8
12
9
36
10
99
11
255
12
614
13
1532
14
3908
15
10727
16
31242
17
96725
18
311735
[1,1,2,5,12,36,99,255,614,1532,3908,10727,31242, 96725,311735]