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A138570 as a simple table

n a(n)
1 1
2 2
3 6
4 12
5 60
6 120
7 840
8 2520
9 27720
10 55440
11 720720
12 1081080
13 2162160
14 36756720
15 698377680
16 16062686640
17 48188059920
18 160626866400
19 240940299600
20 6987268688400
21 216605329340400
22 288807105787200
23 1010824870255200

[1,2,6,12,60,120,840,2520,27720,55440,720720,
 1081080,2162160,36756720,698377680,16062686640,
 48188059920,160626866400,240940299600,
 6987268688400,216605329340400,288807105787200,
 1010824870255200]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)