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A156603 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 0
9 6
10 1
11 1
12 -1
13 0
14 24
15 1
16 1
17 -2
18 0
19 0
20 120
21 1
22 1
23 -3
24 -6
25 0
26 0
27 720
28 1
29 1
30 -4
31 -24
32 24
33 0
34 0
35 5040
36 1
37 1
38 -5
39 -60
40 504
41 120
42 0
43 0
44 40320
45 1
46 1
47 -6
48 -120
49 3360
50 27720
51 -720
52 0
53 0
54 362880
55 1
56 1
57 -7
58 -210
59 13800
60 702240
61 -3991680
62 -5040
63 0
64 0
65 3628800

[1,1,1,1,1,2,1,1,0,6,1,1,-1,0,24,1,1,-2,0,0,120,1,
 1,-3,-6,0,0,720,1,1,-4,-24,24,0,0,5040,1,1,-5,-60,
 504,120,0,0,40320,1,1,-6,-120,3360,27720,-720,0,0,
 362880,1,1,-7,-210,13800,702240,-3991680,-5040,0,
 0,3628800]

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Last modified May 7 02:20 EDT 2021. Contains 343636 sequences. (Running on oeis4.)