PERMUTATIONA

PERMUTATIONA(number, number_chosen)

Returns the number of permutations for a subset of objects or events (with repetition).

number	The total number of items.
number_chosen	The number of items in each permutation.

REMARKS

* If "number" is not numeric, then #VALUE is returned.
* If "number_chosen" is not numeric, then #VALUE is returned.
* You can use the COMBIN function to return the number of combinations for a given number of items.
* You can use the PERMUT function to return the number of permutations (without repetition).
* This function was added in Excel 2013.
* For the Microsoft documentation refer to support.microsoft.com

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