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A175943 as a simple table

n a(n)
1 1
2 2
3 6
4 12
5 24
6 120
7 240
8 720
9 5040
10 10080
11 20160
12 40320
13 120960
14 362880
15 725760
16 3628800
17 39916800
18 79833600
19 159667200
20 479001600
21 6227020800
22 12454041600
23 87178291200
24 261534873600
25 1307674368000
26 2615348736000
27 5230697472000

[1,2,6,12,24,120,240,720,5040,10080,20160,40320,
 120960,362880,725760,3628800,39916800,79833600,
 159667200,479001600,6227020800,12454041600,
 87178291200,261534873600,1307674368000,
 2615348736000,5230697472000]

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Last modified May 18 00:43 EDT 2021. Contains 343992 sequences. (Running on oeis4.)