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A159286 as a simple table

n a(n)
0 1
1 -2
2 2
3 0
4 -2
5 4
6 -2
7 0
8 6
9 -4
10 6
11 8
12 -2
13 20
14 14
15 16
16 54
17 44
18 86
19 152
20 174
21 324
22 478
23 672
24 1126
25 1628
26 2470
27 3880
28 5726
29 8820
30 13486
31 20272
32 31126
33 47244
34 71670
35 109496
36 166158
37 252836
38 385150
39 585152

[1,-2,2,0,-2,4,-2,0,6,-4,6,8,-2,20,14,16,54,44,86,
 152,174,324,478,672,1126,1628,2470,3880,5726,8820,
 13486,20272,31126,47244,71670,109496,166158,
 252836,385150,585152]

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Last modified July 27 17:57 EDT 2021. Contains 346308 sequences. (Running on oeis4.)