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A205428
as a simple table
n
a(n)
1
68342
2
9083342
3
1514539540
4
250194674424
5
42782998259850
6
7075689720463554
7
1210040924920270258
[68342,9083342,1514539540,250194674424, 42782998259850,7075689720463554, 1210040924920270258]