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A222625
as a simple table
n
a(n)
1
1
2
1
3
1
4
3
5
6
6
27
7
108
8
788
9
9035
10
196928
11
7797877
12
533938066
[1,1,1,3,6,27,108,788,9035,196928,7797877, 533938066]
