A087925 - OEIS

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A087925 as a simple table

n	a(n)
1	8
2	3584
3	7452704
4	35704394880
5	331333877743200
6	5338455334819710720
7	137813651152462288749440
8	5359457796069778002771306240
9	299167849199075018703047460201600

[8,3584,7452704,35704394880,331333877743200, 5338455334819710720,137813651152462288749440, 5359457796069778002771306240, 299167849199075018703047460201600]