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A004490 as a simple table

n a(n)
1 2
2 6
3 12
4 60
5 120
6 360
7 2520
8 5040
9 55440
10 720720
11 1441440
12 4324320
13 21621600
14 367567200
15 6983776800
16 160626866400
17 321253732800
18 9316358251200
19 288807105787200
20 2021649740510400
21 6064949221531200
22 224403121196654400

[2,6,12,60,120,360,2520,5040,55440,720720,1441440,
 4324320,21621600,367567200,6983776800,
 160626866400,321253732800,9316358251200,
 288807105787200,2021649740510400,6064949221531200,
 224403121196654400]

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Last modified October 17 01:03 EDT 2019. Contains 328103 sequences. (Running on oeis4.)