text: for the rest of the array we will rely on the previous entries to compute new ones
code: for ( N = 1 ; N <= 20 ; N ++ ) System . out . println ( " Maximum ▁ Number ▁ of ▁ A ' s ▁ with ▁ keystrokes ▁ is ▁ " + N + findoptimal ( N ) ) ; } }