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A050995 as a simple table

n a(n)
0 1
1 1
2 2
3 9
4 144
5 1800
6 64800
7 39690
8 12700800
9 171460800
10 17146080000
11 518668920000
12 2390026383360
13 3606379096320000
14 449813829104640000
15 139161153379248000000
16 4453156908135936000000

[1,1,2,9,144,1800,64800,39690,12700800,171460800,
 17146080000,518668920000,2390026383360,
 3606379096320000,449813829104640000,
 139161153379248000000,4453156908135936000000]

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Last modified May 13 14:47 EDT 2024. Contains 372519 sequences. (Running on oeis4.)