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A012559 as a simple table

n a(n)
0 1
1 0
2 -12
3 120
4 -5040
5 398400
6 -42267456
7 6511220352
8 -1348919320320
9 361546293368832
10 -121866178161646592
11 50449587034359175168
12 -25164869672254098452480
13 14886957060645519281602560

[1,0,-12,120,-5040,398400,-42267456,6511220352,
 -1348919320320,361546293368832,
 -121866178161646592,50449587034359175168,
 -25164869672254098452480,
 14886957060645519281602560]

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Last modified March 23 23:09 EDT 2023. Contains 361454 sequences. (Running on oeis4.)