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A155993 as a simple table

n a(n)
0 2
1 1
2 1
3 3
4 0
5 3
6 -2
7 9
8 9
9 -2
10 -5
11 0
12 40
13 0
14 -5
15 -14
16 5
17 40
18 40
19 5
20 -14
21 -27
22 0
23 90
24 0
25 90
26 0
27 -27
28 -62
29 21
30 154
31 14
32 14
33 154
34 21
35 -62
36 -125
37 0
38 400
39 0
40 -40
41 0
42 400
43 0
44 -125
45 -254
46 9
47 648
48 288
49 -180
50 -180
51 288
52 648
53 9
54 -254
55 -507
56 0
57 1410
58 0
59 120
60 0
61 120
62 0
63 1410
64 0
65 -507

[2,1,1,3,0,3,-2,9,9,-2,-5,0,40,0,-5,-14,5,40,40,5,
 -14,-27,0,90,0,90,0,-27,-62,21,154,14,14,154,21,
 -62,-125,0,400,0,-40,0,400,0,-125,-254,9,648,288,
 -180,-180,288,648,9,-254,-507,0,1410,0,120,0,120,
 0,1410,0,-507]

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)