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A034094 as a simple table

n a(n)
1 1
2 20
3 312
4 9744
5 29280
6 53352
7 1666224
8 5006880
9 106798080
10 133301760
11 980733600
12 9099742080
13 18262471680
14 22794600960
15 1556055895680
16 3577201689600
17 4464942451200
18 380428773854896765462278360268800000

[1,20,312,9744,29280,53352,1666224,5006880,
 106798080,133301760,980733600,9099742080,
 18262471680,22794600960,1556055895680,
 3577201689600,4464942451200,
 380428773854896765462278360268800000]

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Last modified May 15 09:20 EDT 2024. Contains 372540 sequences. (Running on oeis4.)