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A066387 as a simple table

n a(n)
1 1
2 1
3 2
4 1
5 0
6 6
7 1
8 12
9 0
10 24
11 1
12 0
13 0
14 0
15 120
16 1
17 120
18 360
19 0
20 0
21 720
22 1
23 0
24 0
25 0
26 0
27 0
28 5040
29 1
30 1680
31 0
32 20160
33 0
34 0
35 0
36 40320
37 1
38 0
39 60480
40 0
41 0
42 0
43 0
44 0
45 362880
46 1
47 30240
48 0
49 0
50 1814400
51 0
52 0
53 0
54 0
55 3628800
56 1
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 39916800

[1,1,2,1,0,6,1,12,0,24,1,0,0,0,120,1,120,360,0,0,
 720,1,0,0,0,0,0,5040,1,1680,0,20160,0,0,0,40320,1,
 0,60480,0,0,0,0,0,362880,1,30240,0,0,1814400,0,0,
 0,0,3628800,1,0,0,0,0,0,0,0,0,0,39916800]

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Last modified April 4 05:34 EDT 2020. Contains 333212 sequences. (Running on oeis4.)