A045519 - OEIS

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A045519 as a simple table

n	a(n)
1	87178291200
2	8841761993739701954543616000000
3	8222838654177922817725562880000000
4	8683317618811886495518194401280000000

[87178291200,8841761993739701954543616000000, 8222838654177922817725562880000000, 8683317618811886495518194401280000000]