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A173392 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 2
6 2
7 6
8 12
9 24
10 48
11 720
12 240
13 2160
14 23040
15 45360
16 40320
17 2419200
18 1935360
19 65318400
20 69672960
21 163296000
22 2786918400
23 754427520000
24 22992076800
25 201180672000
26 14714929152000
27 211843247616000
28 114776447385600
29 32953394073600000
30 2410305395097600

[1,1,1,1,2,2,6,12,24,48,720,240,2160,23040,45360,
 40320,2419200,1935360,65318400,69672960,163296000,
 2786918400,754427520000,22992076800,201180672000,
 14714929152000,211843247616000,114776447385600,
 32953394073600000,2410305395097600]

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Last modified December 5 04:10 EST 2021. Contains 349530 sequences. (Running on oeis4.)