A172764 - OEIS

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A172764 as a simple table

n	a(n)
1	0
2	141
3	95635680
4	1557850709802421
5	338059904123009135280850
6	640278723754096114457315005223400
7	7745310191767932461627415566004172302489000

[0,141,95635680,1557850709802421, 338059904123009135280850, 640278723754096114457315005223400, 7745310191767932461627415566004172302489000]