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A071081 as a simple table

n a(n)
1 0
2 -16
3 192
4 -1904
5 16416
6 -134608
7 1102920
8 -8971103
9 69262338
10 -527129920
11 4002967800
12 -30263030000
13 218133853800
14 -1565386817920
15 11130108480678
16 -75244171093875
17 496516351214832
18 -3261752198331472
19 21401161780748720
20 -140093238345715827

[0,-16,192,-1904,16416,-134608,1102920,-8971103,
 69262338,-527129920,4002967800,-30263030000,
 218133853800,-1565386817920,11130108480678,
 -75244171093875,496516351214832,-3261752198331472,
 21401161780748720,-140093238345715827]

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Last modified April 26 14:37 EDT 2024. Contains 372003 sequences. (Running on oeis4.)