A034643 - OEIS

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A034643 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	0
6	91725480
7	12321033120
8	883104563880
9	38285677029600
10	1114974568267560
11	23541174384003360
12	381121311416685840
13	4936856690461116960
14	52888385930118555960
15	481042560344215826880

[1,0,0,0,0,0,91725480,12321033120,883104563880, 38285677029600,1114974568267560,23541174384003360, 381121311416685840,4936856690461116960, 52888385930118555960,481042560344215826880]