Function F(n As Integer, x As Integer, y As Integer) As Integer
    If n = 0 Then Return x + y
    If y = 0 Then Return x
    Return F(n - 1, F(n, x, y - 1), F(n, x, y - 1) + y)
End Function

Dim As Integer n, x, y
For n = 0 To 1
    Print " Values of F(" & n & ", x, y):"
    Print " y/x    0   1   2   3   4   5"
    Print String(29, "-")
    For y = 0 To 6
        Print y; "  |";
        For x = 0 To 5
            Print Using "####"; F(n,x,y);
        Next x
        Print
    Next y
    Print
Next n

Print "F(2,1,1) ="; F(2,1,1)
Print "F(3,1,1) ="; F(3,1,1)
Print "F(2,2,1) ="; F(2,2,1)
Sleep