I want to use an arrayformula function to apply a formula across all rows in my sheet.

I want to use an arrayformula function to apply a formula across all rows in my sheet.

I want to use an arrayformula function to apply a formula across all rows in my sheet.

I want to use an arrayformula function to apply a formula across all rows in my sheet.

I want to use an arrayformula function to apply a formula across all rows in my sheet.

I want to use an arrayformula function to apply a formula across all rows in my sheet.

I want to use an arrayformula function to apply a formula across all rows in my sheet.

I want to use an arrayformula function to apply a formula across all rows in my sheet.

I want to use an arrayformula function to apply a formula across all rows in my sheet.

I used this formula to assign a number of each week in a month using the function (arrayfomula). But the function didn’t expand the result for the whole rows. Any suggestion