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A167591 as a simple table

n a(n)
1 1
2 4
3 -2
4 12
5 -8
6 9
7 32
8 -16
9 120
10 -60
11 80
12 0
13 952
14 -768
15 525
16 192
17 160
18 5664
19 -5008
20 12396
21 -5670
22 448
23 896
24 27888
25 -20672
26 162740
27 -133128
28 72765
29 1024
30 3584
31 120064
32 -46720
33 1537216
34 -1562464
35 2557296
36 -1081080
37 2304
38 12288
39 467712
40 76800

[1,4,-2,12,-8,9,32,-16,120,-60,80,0,952,-768,525,
 192,160,5664,-5008,12396,-5670,448,896,27888,
 -20672,162740,-133128,72765,1024,3584,120064,
 -46720,1537216,-1562464,2557296,-1081080,2304,
 12288,467712,76800]

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Last modified January 24 01:05 EST 2020. Contains 331178 sequences. (Running on oeis4.)