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A061603 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 1
10 3628800
11 39916800
12 239500800
13 1037836800
14 3632428800
15 10897286400
16 29059430400
17 70572902400
18 158789030400
19 335221286400
20 1216451004088320000
21 25545471085854720000
22 281000181944401920000

[1,1,1,1,1,1,1,1,1,1,3628800,39916800,239500800,
 1037836800,3632428800,10897286400,29059430400,
 70572902400,158789030400,335221286400,
 1216451004088320000,25545471085854720000,
 281000181944401920000]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)