A179472 - OEIS

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A179472 as a simple table

n	a(n)
0	1
1	1
2	2
3	16
4	352
5	19456
6	2580480
7	797442048
8	562315657216
9	890678506684416
10	3130276584569700352
11	24169368847503392243712
12	406655844230538529416937472
13	14808051220103187059129440010240

[1,1,2,16,352,19456,2580480,797442048, 562315657216,890678506684416,3130276584569700352, 24169368847503392243712, 406655844230538529416937472, 14808051220103187059129440010240]