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A178655 as a simple table

n a(n)
0 1
1 1
2 -1
3 1
4 0
5 -1
6 1
7 2
8 -2
9 -1
10 1
11 5
12 0
13 -5
14 -1
15 1
16 9
17 10
18 -10
19 -9
20 -1
21 1
22 14
23 35
24 0
25 -35
26 -14
27 -1
28 1
29 20
30 84
31 70
32 -70
33 -84
34 -20
35 -1
36 1
37 27
38 168
39 294
40 0
41 -294
42 -168
43 -27
44 -1
45 1
46 35
47 300
48 840
49 588
50 -588
51 -840
52 -300
53 -35
54 -1

[1,1,-1,1,0,-1,1,2,-2,-1,1,5,0,-5,-1,1,9,10,-10,
 -9,-1,1,14,35,0,-35,-14,-1,1,20,84,70,-70,-84,-20,
 -1,1,27,168,294,0,-294,-168,-27,-1,1,35,300,840,
 588,-588,-840,-300,-35,-1]

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Last modified April 6 08:53 EDT 2020. Contains 333268 sequences. (Running on oeis4.)