R Under development (unstable) (2024-10-17 r87242 ucrt) -- "Unsuffered Consequences"
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> library(randtoolbox)
Loading required package: rngWELL
This is randtoolbox. For an overview, type 'help("randtoolbox")'.
> 
> permut(3)
     [,1] [,2] [,3]
[1,]    3    1    2
[2,]    3    2    1
[3,]    1    3    2
[4,]    2    3    1
[5,]    1    2    3
[6,]    2    1    3
> permut(4)
      [,1] [,2] [,3] [,4]
 [1,]    4    3    1    2
 [2,]    4    3    2    1
 [3,]    4    1    3    2
 [4,]    4    2    3    1
 [5,]    4    1    2    3
 [6,]    4    2    1    3
 [7,]    3    4    1    2
 [8,]    3    4    2    1
 [9,]    1    4    3    2
[10,]    2    4    3    1
[11,]    1    4    2    3
[12,]    2    4    1    3
[13,]    3    1    4    2
[14,]    3    2    4    1
[15,]    1    3    4    2
[16,]    2    3    4    1
[17,]    1    2    4    3
[18,]    2    1    4    3
[19,]    3    1    2    4
[20,]    3    2    1    4
[21,]    1    3    2    4
[22,]    2    3    1    4
[23,]    1    2    3    4
[24,]    2    1    3    4
> 
> proc.time()
   user  system elapsed 
   0.25    0.06    0.29