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A129643 as a simple table

n a(n)
1 1
2 2
3 4
4 12
5 24
6 72
7 360
8 720
9 2160
10 8640
11 43200
12 302400
13 3931200
14 7862400
15 23587200
16 94348800
17 471744000
18 3302208000
19 29719872000
20 386358336000
21 9658958400000
22 19317916800000
23 57953750400000
24 231815001600000
25 1159075008000000
26 8113525056000000
27 73021725504000000

[1,2,4,12,24,72,360,720,2160,8640,43200,302400,
 3931200,7862400,23587200,94348800,471744000,
 3302208000,29719872000,386358336000,9658958400000,
 19317916800000,57953750400000,231815001600000,
 1159075008000000,8113525056000000,
 73021725504000000]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)