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A370700 as a simple table

n a(n)
0 1
1 1
2 0
3 0
4 12
5 60
6 240
7 1680
8 15120
9 136080
10 1330560
11 14636160
12 176299200
13 2291889600
14 32069157120
15 481037356800
16 7697116627200
17 130850982662400
18 2355300044697600
19 44750700849254400
20 895014687427660800
21 18795308435980876800
22 413496757432991232000

[1,1,0,0,12,60,240,1680,15120,136080,1330560,
 14636160,176299200,2291889600,32069157120,
 481037356800,7697116627200,130850982662400,
 2355300044697600,44750700849254400,
 895014687427660800,18795308435980876800,
 413496757432991232000]

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Last modified September 16 17:53 EDT 2024. Contains 375976 sequences. (Running on oeis4.)