2KiB, 125x125, 1608362296556.jpg View SameGoogleiqdbSauceNAO Anonymous Tue 05 Jan 18:30:41 2021 No.12548268 ViewReplyOriginalReport Quoted By: I just discovered that you can write permutations of p "pieces" put in strings of l "lenght" as p^l-p instead of the usual formula p!/(p-l)!
