A172774 - OEIS

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A172774 as a simple table

n	a(n)
1	0
2	1107
3	125290570185
4	946925090316795061315
5	224061210725807969378046253140000
6	947560483548938454931523739060201682514650275

[0,1107,125290570185,946925090316795061315, 224061210725807969378046253140000, 947560483548938454931523739060201682514650275]