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A287383 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 90720
10 1
11 1
12 1
13 14968800
14 40864824000
15 1
16 1
17 453600
18 5108114880
19 131993382447360
20 3463115239584000000 

[1,1,1,1,1,1,1,1,1,90720,1,1,1,14968800,
 40864824000,1,1,453600,5108114880,131993382447360,
 3463115239584000000]

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Last modified April 26 21:53 EDT 2024. Contains 372004 sequences. (Running on oeis4.)