A189347 - OEIS

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A189347 as a simple table

n	a(n)
1	0
2	4
3	48
4	12592
5	10252800
6	64731638400
7	2239546267804672
8	494966160398383884544
9	658664151315274081588459520
10	5410532537689878793764236394523648
11	271891121107496085701096037929377481809920

[0,4,48,12592,10252800,64731638400, 2239546267804672,494966160398383884544, 658664151315274081588459520, 5410532537689878793764236394523648, 271891121107496085701096037929377481809920]