A061544 - OEIS

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A061544 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	455
7	202755
8	39183840
9	5228627544
10	573177986865
11	56169415897650
12	5157436533796140
13	456501786661617840
14	39667302684866008152
15	3425100498297691978050
16	296331952661358892037760

[0,0,0,0,0,455,202755,39183840,5228627544, 573177986865,56169415897650,5157436533796140, 456501786661617840,39667302684866008152, 3425100498297691978050,296331952661358892037760]