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A172805 as a simple table

n a(n)
1 0
2 1
3 120
4 193573
5 1380339980
6 35157552997320
7 2707357478410889115
8 555249505892003620997475
9 274283912325835718446290655176
10 300690927870900038104809199886390475 

[0,1,120,193573,1380339980,35157552997320,
 2707357478410889115,555249505892003620997475,
 274283912325835718446290655176,
 300690927870900038104809199886390475]

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Last modified April 19 16:08 EDT 2024. Contains 371794 sequences. (Running on oeis4.)