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A193282 as a simple table

n a(n)
0 1
1 1
2 4
3 36
4 144
5 3600
6 14400
7 705600
8 2822400
9 228614400
10 914457600
11 110649369600
12 442597478400
13 74798973849600
14 299195895398400
15 67319076464640000
16 269276305858560000
17 77820852393123840000
18 311283409572495360000
19 112373310855670824960000

[1,1,4,36,144,3600,14400,705600,2822400,228614400,
 914457600,110649369600,442597478400,
 74798973849600,299195895398400,67319076464640000,
 269276305858560000,77820852393123840000,
 311283409572495360000,112373310855670824960000]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)