The following formula can help you to fill sequence dates ignoring weekends and holidays as you need please do as this. NETWORKDAYS start_date end_date holidays. This also looks for 3 arguments.
To add days excluding weekends you can do as below.
WORKDAYB250 1 Type this formula into the formula box of the cell C2 and then press Enter key in your keyboard. You dont specify the 1 because NETWORKDAYS assumes the weekend is on Saturday and Sunday. WORKDAY B6C6 With 1 day the result is December 25 a Monday. WORKDAYB250 1 Type this formula into the formula box of the cell C2 and then press Enter key in your keyboard.