A022232 - OEIS

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A022232 as a simple table

n	a(n)
3	1
4	400
5	140050
6	48177200
7	16531644851
8	5670690600800
9	1945063360640100
10	667157540444234400
11	228835075951868449701
12	78490432990886231801200
13	26922218610904350161500150
14	9234320988196680367732171600

[1,400,140050,48177200,16531644851,5670690600800, 1945063360640100,667157540444234400, 228835075951868449701,78490432990886231801200, 26922218610904350161500150, 9234320988196680367732171600]