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A157982 as a simple table

n a(n)
0 1
1 1
2 2
3 -1
4 0
5 6
6 1
7 0
8 -6
9 4
10 -19
11 0
12 120
13 -120
14 30
15 27

[1,1,2,-1,0,6,1,0,-6,4,-19,0,120,-120,30,27]

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Last modified September 30 20:19 EDT 2020. Contains 337440 sequences. (Running on oeis4.)