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A052583 as a simple table

n a(n)
0 0
1 1
2 0
3 6
4 24
5 240
6 2160
7 25200
8 322560
9 4717440
10 76204800
11 1357171200
12 26345088000
13 554204851200
14 12553673932800
15 304688127744000
16 7887891787776000
17 216969331138560000
18 6319142847553536000

[0,1,0,6,24,240,2160,25200,322560,4717440,
 76204800,1357171200,26345088000,554204851200,
 12553673932800,304688127744000,7887891787776000,
 216969331138560000,6319142847553536000]

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Last modified June 24 21:50 EDT 2021. Contains 345433 sequences. (Running on oeis4.)