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A156765 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 6
5 1
6 1
7 42
8 42
9 1
10 1
11 360
12 2520
13 360
14 1
15 1
16 3720
17 223200
18 223200
19 3720
20 1
21 1
22 45360
23 28123200
24 241056000
25 28123200
26 45360
27 1
28 1
29 640080
30 4839004800
31 428597568000
32 428597568000
33 4839004800
34 640080
35 1
36 1
37 10281600
38 1096841088000
39 1184588375040000
40 12240746542080000
41 1184588375040000
42 1096841088000
43 10281600
44 1

[1,1,1,1,6,1,1,42,42,1,1,360,2520,360,1,1,3720,
 223200,223200,3720,1,1,45360,28123200,241056000,
 28123200,45360,1,1,640080,4839004800,428597568000,
 428597568000,4839004800,640080,1,1,10281600,
 1096841088000,1184588375040000,12240746542080000,
 1184588375040000,1096841088000,10281600,1]

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Last modified February 2 06:48 EST 2023. Contains 360000 sequences. (Running on oeis4.)