I want a formula to work out every 9-digit number, that uses only the values 1,2,3 and 4.
(I don't mind having the numbers in separate cells)
Like this:
1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 2
1 1 1 1 1 1 1 1 3
1 1 1 1 1 1 1 1 4
1 1 1 1 1 1 1 2 1
1 1 1 1 1 1 1 2 2
1 1 1 1 1 1 1 2 3
1 1 1 1 1 1 1...