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A009083 as a simple table

n a(n)
0 1
1 0
2 -12
3 -480
4 -22512
5 -1224960
6 -61017792
7 1438993920
8 1844639547648
9 677206700482560
10 225542012911531008
11 76252348319434383360
12 26581103125260630233088
13 9309180001030233433374720

[1,0,-12,-480,-22512,-1224960,-61017792,
 1438993920,1844639547648,677206700482560,
 225542012911531008,76252348319434383360,
 26581103125260630233088,9309180001030233433374720]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)