A071306 - OEIS

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A071306 as a simple table

n	a(n)
1	1
2	8
3	336
4	112896
5	276595200
6	4662288691200
7	546914437209907200
8	450219964711195607040000
9	2596509480922336727312302080000
10	104784757384177668346109081238896640000
11	29597339316082819652234687848790174733434880000

[1,8,336,112896,276595200,4662288691200, 546914437209907200,450219964711195607040000, 2596509480922336727312302080000, 104784757384177668346109081238896640000, 29597339316082819652234687848790174733434880000]