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A243794
as a simple table
n
a(n)
1
1
2
1
3
2
4
6
5
11
6
33
7
94
8
370
9
1627
10
8895
11
56416
12
414456
13
3382661
[1,1,2,6,11,33,94,370,1627,8895,56416,414456, 3382661]