A052713 - OEIS

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A052713 as a simple table

n	a(n)
0	0
1	2
2	8
3	96
4	1920
5	53760
6	1935360
7	85155840
8	4428103680
9	265686220800
10	18066663014400
11	1373066389094400
12	115337576683929600
13	10611057054921523200
14	1061105705492152320000
15	114599416193152450560000

[0,2,8,96,1920,53760,1935360,85155840,4428103680, 265686220800,18066663014400,1373066389094400, 115337576683929600,10611057054921523200, 1061105705492152320000,114599416193152450560000]