A249277 - OEIS

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A249277 as a simple table

n	a(n)
0	1
1	2
2	24
3	48
4	5760
5	1280
6	580608
7	1161216
8	1393459200
9	398131200
10	367873228800
11	363331584
12	24103053950976000
13	4382373445632000
14	115694658964684800
15	88995891511296000
16	726206474732175360000
17	6455168664286003200

[1,2,24,48,5760,1280,580608,1161216,1393459200, 398131200,367873228800,363331584, 24103053950976000,4382373445632000, 115694658964684800,88995891511296000, 726206474732175360000,6455168664286003200]