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A025543 as a simple table

n a(n)
0 1
1 4
2 12
3 24
4 72
5 360
6 360
7 2520
8 2520
9 5040
10 5040
11 5040
12 5040
13 55440
14 55440
15 277200
16 3603600
17 10810800
18 10810800
19 10810800
20 21621600
21 21621600
22 367567200
23 367567200
24 367567200
25 6983776800
26 6983776800
27 6983776800
28 6983776800
29 6983776800

[1,4,12,24,72,360,360,2520,2520,5040,5040,5040,
 5040,55440,55440,277200,3603600,10810800,10810800,
 10810800,21621600,21621600,367567200,367567200,
 367567200,6983776800,6983776800,6983776800,
 6983776800,6983776800]

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Last modified May 16 15:04 EDT 2024. Contains 372554 sequences. (Running on oeis4.)