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A009080 as a simple table

n a(n)
0 1
1 0
2 -12
3 -240
4 -5936
5 -155520
6 -65472
7 981903104
8 223580862720
9 46255608778752
10 10060678641587200
11 2368138744630923264
12 601490101481648443392
13 161192778898870464512000
14 43208403753541588946141184

[1,0,-12,-240,-5936,-155520,-65472,981903104,
 223580862720,46255608778752,10060678641587200,
 2368138744630923264,601490101481648443392,
 161192778898870464512000,
 43208403753541588946141184]

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Last modified May 16 03:46 EDT 2021. Contains 343937 sequences. (Running on oeis4.)