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A130318 as a simple table

n a(n)
0 1
1 1
2 4
3 128
4 11520
5 143360
6 425425
7 2064384
8 619315200
9 280284364800
10 6801567252480
11 27512370460575
12 178541140377600
13 152355106455552000
14 167834385271436083200
15 6074006324109115392000
16 29734853645550994565625

[1,1,4,128,11520,143360,425425,2064384,619315200,
 280284364800,6801567252480,27512370460575,
 178541140377600,152355106455552000,
 167834385271436083200,6074006324109115392000,
 29734853645550994565625]

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Last modified May 9 00:09 EDT 2021. Contains 343685 sequences. (Running on oeis4.)