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A143499 as a simple table

n a(n)
4 1
5 8
6 1
7 72
8 18
9 1
10 720
11 270
12 30
13 1
14 7920
15 3960
16 660
17 44
18 1
19 95040
20 59400
21 13200
22 1320
23 60
24 1
25 1235520
26 926640
27 257400
28 34320
29 2340
30 78
31 1
32 17297280
33 15135120
34 5045040
35 840840
36 76440
37 3822
38 98
39 1
40 259459200
41 259459200
42 100900800
43 20180160
44 2293200

[1,8,1,72,18,1,720,270,30,1,7920,3960,660,44,1,
 95040,59400,13200,1320,60,1,1235520,926640,257400,
 34320,2340,78,1,17297280,15135120,5045040,840840,
 76440,3822,98,1,259459200,259459200,100900800,
 20180160,2293200]

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Last modified June 7 05:40 EDT 2024. Contains 373144 sequences. (Running on oeis4.)