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A001332 formatted as a simple table:

n a(n)
0 1
1 1
2 -4
3 120
4 -12096
5 3024000
6 -1576143360
7 1525620096000
8 -2522591034163200
9 6686974460694528000
10 -27033456071346536448000
11 160078872315904478576640000
12 -1342964491649083924630732800000
13 15522270327163593186886877184000000

[1,1,-4,120,-12096,3024000,-1576143360,
 1525620096000,-2522591034163200,
 6686974460694528000,-27033456071346536448000,
 160078872315904478576640000,
 -1342964491649083924630732800000,
 15522270327163593186886877184000000]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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