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A224051
as a simple table
n
a(n)
1
3
2
54
3
1232
4
27246
5
568107
6
11231300
7
212819499
8
3903149379
9
69818587635
10
1225169731998
[3,54,1232,27246,568107,11231300,212819499, 3903149379,69818587635,1225169731998]