A069649 - OEIS

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A069649 as a simple table

n	a(n)
1	2
2	9
3	200
4	30625
5	38896200
6	461231139600
7	55435389494284800
8	71735516141608609290000
9	1046764828663084040608098000000
10	178655433262265936739987483031412640000

[2,9,200,30625,38896200,461231139600, 55435389494284800,71735516141608609290000, 1046764828663084040608098000000, 178655433262265936739987483031412640000]