A064352 - OEIS

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A064352 as a simple table

n	a(n)
0	1
1	3
2	30
3	504
4	11880
5	360360
6	13366080
7	586051200
8	29654190720
9	1700755056000
10	109027350432000
11	7725366544896000
12	599555620984320000
13	50578512186237235200
14	4608264443634948096000
15	450974292794344230912000

[1,3,30,504,11880,360360,13366080,586051200, 29654190720,1700755056000,109027350432000, 7725366544896000,599555620984320000, 50578512186237235200,4608264443634948096000, 450974292794344230912000]