Sub aaa()
Rows.Clear
Dim n As Integer, k As Integer, i As Integer
n = CInt(InputBox("n="))
k = 2 * n - 1
ReDim y(1 To k) As Integer
Randomize Timer
For i = 1 To k
y(i) = Int(Rnd * 100 - 50)
Next i
Dim ry As Range
Set ry = Range(Cells(2, 2), Cells(2, k + 1))
ry = y
ReDim x(1 To n) As Integer
Dim rx As Range
Set rx = Range(Cells(3, 2), Cells(3, n + 1))
For i = 1 To n
x(i) = y(2 * i - 1) ^ 2
Next i
rx = x
Cells(2, 1) = "y"
Cells(3, 1) = "x"
Set ry = Range(Cells(2, 1), Cells(2, k + 1))
Set rx = Range(Cells(3, 1), Cells(3, n + 1))
End Sub