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A119921 as a simple table

n a(n)
1 2
2 12
3 72
4 336
5 1632
6 6720
7 29568
8 120576
9 499200
10 2012160
11 8214528
12 32894976
13 132882432
14 532070400
15 2136637440
16 8551464960
17 34282536960
18 137135652864
19 549148164096
20 2196721631232
21 8791208755200
22 35166005231616

[2,12,72,336,1632,6720,29568,120576,499200,
 2012160,8214528,32894976,132882432,532070400,
 2136637440,8551464960,34282536960,137135652864,
 549148164096,2196721631232,8791208755200,
 35166005231616]

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)