A052576 - OEIS

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A052576 as a simple table

n	a(n)
0	1
1	2
2	10
3	48
4	384
5	3840
6	46080
7	645120
8	10321920
9	185794560
10	3715891200
11	81749606400
12	1961990553600
13	51011754393600
14	1428329123020800
15	42849873690624000
16	1371195958099968000
17	46620662575398912000

[1,2,10,48,384,3840,46080,645120,10321920, 185794560,3715891200,81749606400,1961990553600, 51011754393600,1428329123020800,42849873690624000, 1371195958099968000,46620662575398912000]