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A013190 formatted as a simple table:

n a(n)
0 1
1 0
2 -2
3 8
4 -12
5 -48
6 432
7 -2112
8 10000
9 14080
10 -1500512
11 17517568
12 -18269760
13 -1666201600
14 16350361856
15 -45064462336
16 922523568384
17 -4131436888064
18 -990634832194048
19 21402743134224384
20 92553699220882432

[1,0,-2,8,-12,-48,432,-2112,10000,14080,-1500512,
 17517568,-18269760,-1666201600,16350361856,
 -45064462336,922523568384,-4131436888064,
 -990634832194048,21402743134224384,
 92553699220882432]

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.


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