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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]

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Last modified June 26 08:11 EDT 2022. Contains 354877 sequences. (Running on oeis4.)