A134087 - OEIS

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A134087 as a simple table

n	a(n)
0	1
1	4
2	32
3	672
4	42816
5	8822400
6	6065609984
7	14256471226880
8	117000916309144576
9	3410202131850138806272
10	357670541003601468527333376
11	136391046228660672398602237353984

[1,4,32,672,42816,8822400,6065609984, 14256471226880,117000916309144576, 3410202131850138806272, 357670541003601468527333376, 136391046228660672398602237353984]