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A357719 as a simple table

n a(n)
0 1
1 0
2 -4
3 12
4 -28
5 40
6 200
7 -3360
8 35680
9 -357120
10 3644800
11 -38896000
12 437756800
13 -5206406400
14 65372153600
15 -864339840000
16 11991424640000
17 -173800340480000
18 2617640829440000
19 -40693929269760000
20 647089190924800000
21 -10383194262604800000

[1,0,-4,12,-28,40,200,-3360,35680,-357120,3644800,
 -38896000,437756800,-5206406400,65372153600,
 -864339840000,11991424640000,-173800340480000,
 2617640829440000,-40693929269760000,
 647089190924800000,-10383194262604800000]

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Last modified June 23 23:43 EDT 2024. Contains 373661 sequences. (Running on oeis4.)