Fibonacci numbers in Basic

Example for versions VBScript 5.7, VBScript 5.8

This program calculates Fibonacci numbers recursively. Note the absence of a lot of elements typical for other Basic dialects: variable declarations and function return type, explicit number-to-string conversion before concatenation etc. 

Function Fibonacci(N)
  If N < 2 Then
    Fibonacci = N
  Else
    Fibonacci = Fibonacci(N - 1) + Fibonacci(N - 2)
  End If
End Function

For i = 1 To 16
  res = res & Fibonacci(i) & ", "
Next
WScript.Echo (res & "...")