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A153641 as a simple table

n a(n)
0 1
1 1
2 1
3 -1
4 1
5 -3
6 1
7 -6
8 5
9 1
10 -10
11 25
12 1
13 -15
14 75
15 -61
16 1
17 -21
18 175
19 -427
20 1
21 -28
22 350
23 -1708
24 1385
25 1
26 -36
27 630
28 -5124
29 12465
30 1
31 -45
32 1050
33 -12810
34 62325
35 -50521
36 1
37 -55
38 1650
39 -28182
40 228525
41 -555731
42 1
43 -66
44 2475
45 -56364
46 685575
47 -3334386
48 2702765
49 1

[1,1,1,-1,1,-3,1,-6,5,1,-10,25,1,-15,75,-61,1,-21,
 175,-427,1,-28,350,-1708,1385,1,-36,630,-5124,
 12465,1,-45,1050,-12810,62325,-50521,1,-55,1650,
 -28182,228525,-555731,1,-66,2475,-56364,685575,
 -3334386,2702765,1]

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Last modified June 21 23:05 EDT 2018. Contains 305646 sequences. (Running on oeis4.)