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A020916 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 2
5 0
6 0
7 24
8 96
9 0
10 0
11 10000
12 60736
13 0
14 0
15 20511168
16 168661760
17 0
18 0
19 134002359296
20 1398597049856
21 0
22 0
23 2146989255011328
24 27232259080056832
25 0
26 0

[0,0,0,1,2,0,0,24,96,0,0,10000,60736,0,0,20511168,
 168661760,0,0,134002359296,1398597049856,0,0,
 2146989255011328,27232259080056832,0,0]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)