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A004205 as a simple table

n a(n)
2 1
3 3
4 8
5 25
6 108
7 735
8 4608
9 40824
10 362000
11 3628185
12 40766976
13 478988081
14 6227101888
15 87146087625
16 1300561920000
17 20922788404479
18 355737629952000
19 6402373698206889
20 121810906419200000
21 2432822933484213543
22 51090942172652090368
23 1124000727778962143055

[1,3,8,25,108,735,4608,40824,362000,3628185,
 40766976,478988081,6227101888,87146087625,
 1300561920000,20922788404479,355737629952000,
 6402373698206889,121810906419200000,
 2432822933484213543,51090942172652090368,
 1124000727778962143055]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)