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A012516 as a simple table

n a(n)
0 0
1 0
2 2
3 -3
4 12
5 -40
6 430
7 -3591
8 37464
9 -373752
10 4749658
11 -65476675
12 1030634660
13 -17005495728
14 307003733062
15 -5926728736215
16 123925742441648
17 -2752109508497296
18 65023509028085682
19 -1622290259238643683

[0,0,2,-3,12,-40,430,-3591,37464,-373752,4749658,
 -65476675,1030634660,-17005495728,307003733062,
 -5926728736215,123925742441648,-2752109508497296,
 65023509028085682,-1622290259238643683]

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Last modified July 21 04:55 EDT 2024. Contains 374463 sequences. (Running on oeis4.)