B

#### baha

I have a 7 cells in a row like A1,A2,A3...A7. Each cell contains

numbers from 1 to 13. Is there any way to make a formula to calculate

if there is any sequence of 5 numbers. example

if

A1=5,A2=7,A3=8,A4=9,A5=10,A6=3,A7=4 not sequence

A1=6,A2=7,A3=8,A4=9,A5=10,A6=3,A7=4