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A156290 as a simple table

n a(n)
1 1
2 -4
3 1
4 15
5 -6
6 1
7 -56
8 28
9 -8
10 1
11 210
12 -120
13 45
14 -10
15 1
16 -792
17 495
18 -220
19 66
20 -12
21 1
22 3003
23 -2002
24 1001
25 -364
26 91
27 -14
28 1
29 -11440
30 8008
31 -4368
32 1820
33 -560
34 120
35 -16
36 1
37 43758
38 -31824
39 18564
40 -8568
41 3060
42 -816
43 153
44 -18
45 1
46 -167960
47 125970
48 -77520

[1,-4,1,15,-6,1,-56,28,-8,1,210,-120,45,-10,1,
 -792,495,-220,66,-12,1,3003,-2002,1001,-364,91,
 -14,1,-11440,8008,-4368,1820,-560,120,-16,1,43758,
 -31824,18564,-8568,3060,-816,153,-18,1,-167960,
 125970,-77520]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)