MULTINOMIAL function
This article describes the formula syntax and usage of the MULTINOMIALfunction in Microsoft Excel.
Description
Returns the ratio of the factorial of a sum of values to the product of factorials.
Syntax
MULTINOMIAL(number1, [number2], ...)
The MULTINOMIAL function syntax has the following arguments:

Number1, number2, ... Number1 is required, subsequent numbers are optional. 1 to 255 values for which you want the multinomial.
Remarks

If any argument is nonnumeric, MULTINOMIAL returns the #VALUE! error value.

If any argument is less than zero, MULTINOMIAL returns the #NUM! error value.

The multinomial is:
Example
The example may be easier to understand if you copy it to a blank worksheet.
How do I copy an example?

Select the example in this article.
Important Do not select the row or column headers.
Selecting an example from Help

Press CTRL+C.

In Excel, create a blank workbook or worksheet.

In the worksheet, select cell A1, and press CTRL+V.
Important For the example to work properly, you must paste it into cell A1 of the worksheet.

To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.
After you copy the example to a blank worksheet, you can adapt it to suit your needs.

