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A174186 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 6
5 1
6 1
7 30
8 30
9 1
10 1
11 240
12 1200
13 240
14 1
15 1
16 1560
17 62400
18 62400
19 1560
20 1
21 1
22 10920
23 2839200
24 22713600
25 2839200
26 10920
27 1
28 1
29 74256
30 135145920
31 7027587840
32 7027587840
33 135145920
34 74256
35 1
36 1
37 510510
38 6318071760
39 2299778120640

[1,1,1,1,6,1,1,30,30,1,1,240,1200,240,1,1,1560,
 62400,62400,1560,1,1,10920,2839200,22713600,
 2839200,10920,1,1,74256,135145920,7027587840,
 7027587840,135145920,74256,1,1,510510,6318071760,
 2299778120640]

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Last modified July 22 21:14 EDT 2019. Contains 325226 sequences. (Running on oeis4.)