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A146894 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 0
5 0
6 4060
7 24360
8 294930
9 1728400
10 7758660
11 26336640
12 67403540
13 129936240
14 192974265
15 220819632
16 192974265
17 129936240
18 67403540
19 26336640
20 7758660
21 1728400
22 294930
23 24360
24 4060
25 0
26 0
27 0
28 0
29 0
30 1

[1,0,0,0,0,0,4060,24360,294930,1728400,7758660,
 26336640,67403540,129936240,192974265,220819632,
 192974265,129936240,67403540,26336640,7758660,
 1728400,294930,24360,4060,0,0,0,0,0,1]

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Last modified September 18 19:30 EDT 2021. Contains 347534 sequences. (Running on oeis4.)