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A109977 as a simple table

n a(n)
0 1
1 -2
2 1
3 4
4 -3
5 1
6 -15
7 11
8 -5
9 1
10 107
11 -76
12 35
13 -9
14 1
15 -1475
16 1041
17 -476
18 125
19 -17
20 1
21 40914
22 -28858
23 13177
24 -3460
25 479
26 -33
27 1
28 -2327019
29 1641270
30 -749336
31 196731
32 -27260
33 1901
34 -65
35 1
36 271813931
37 -191712888
38 87527566
39 -22979242
40 3184213
41 -222196
42 7655
43 -129
44 1
45 -64930439315
46 45796039830

[1,-2,1,4,-3,1,-15,11,-5,1,107,-76,35,-9,1,-1475,
 1041,-476,125,-17,1,40914,-28858,13177,-3460,479,
 -33,1,-2327019,1641270,-749336,196731,-27260,1901,
 -65,1,271813931,-191712888,87527566,-22979242,
 3184213,-222196,7655,-129,1,-64930439315,
 45796039830]

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Last modified July 10 23:30 EDT 2020. Contains 335600 sequences. (Running on oeis4.)