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A287377 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 22680
10 1
11 1
12 5040
13 3742560
14 4540536000
15 1
16 1
17 113400
18 851370480
19 6518191680000
20 54111175679736000 

[1,1,1,1,1,1,1,1,1,22680,1,1,5040,3742560,
 4540536000,1,1,113400,851370480,6518191680000,
 54111175679736000]

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)