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A009107 as a simple table

n a(n)
0 1
1 0
2 -8
3 56
4 512
5 -54912
6 2590336
7 -69311488
8 -3936710656
9 914002857984
10 -81770855727104
11 -2175764106870784
12 2405710131432685568
13 -359158536158603378688
14 -106865524988327138951168

[1,0,-8,56,512,-54912,2590336,-69311488,
 -3936710656,914002857984,-81770855727104,
 -2175764106870784,2405710131432685568,
 -359158536158603378688,-106865524988327138951168]

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Last modified January 28 04:25 EST 2023. Contains 359850 sequences. (Running on oeis4.)