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ah k, got to google some algorithms for permutations, thanks!
Hello, I visited mathsisfun.com/combinatorics/combinations-permutations-calculator.html and would like to get the source code for the combination where order matters and no repeats.
The one that is n!/(n-r)!
I would be using it for a program I am making that outputs all possible tetrahedral molecules.
Thanks!
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