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A293192 as a simple table

n a(n)
0 1
1 1
2 4
3 21
4 128
5 745
6 1440
7 -89075
8 -3031040
9 -76951215
10 -1784742400
11 -39056351675
12 -785147904000
13 -12815410658375
14 -64977212518400
15 8229576066616125
16 587339977981952000
17 29185361934747006625
18 1256364637107240960000
19 48860370609512175371125
20 1686271331087959982080000

[1,1,4,21,128,745,1440,-89075,-3031040,-76951215,
 -1784742400,-39056351675,-785147904000,
 -12815410658375,-64977212518400,8229576066616125,
 587339977981952000,29185361934747006625,
 1256364637107240960000,48860370609512175371125,
 1686271331087959982080000]

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Last modified April 24 07:06 EDT 2024. Contains 371920 sequences. (Running on oeis4.)