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A144006 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 -1
5 15
6 -10
7 3
8 -1
9 105
10 -105
11 55
12 -30
13 10
14 -3
15 1
16 945
17 -1260
18 910
19 -630
20 350
21 -168
22 76
23 -30
24 10
25 -3
26 1
27 10395
28 -17325
29 15750
30 -12880
31 9135
32 -5789
33 3381
34 -1806
35 910
36 -434
37 196
38 -76
39 30
40 -10
41 3
42 -1
43 135135
44 -270270
45 294525
46 -275275
47 228375

[1,1,1,3,-1,15,-10,3,-1,105,-105,55,-30,10,-3,1,
 945,-1260,910,-630,350,-168,76,-30,10,-3,1,10395,
 -17325,15750,-12880,9135,-5789,3381,-1806,910,
 -434,196,-76,30,-10,3,-1,135135,-270270,294525,
 -275275,228375]

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Last modified April 24 13:00 EDT 2024. Contains 371945 sequences. (Running on oeis4.)