Another update from ingydotnet^djgoku

Task/Catalan-numbers/VBScript/catalan-numbers.vb

@@ -0,0 +1,23 @@
+Function catalan(n)
+	catalan = factorial(2*n)/(factorial(n+1)*factorial(n))
+End Function
+
+Function factorial(n)
+	If n = 0 Then
+		Factorial = 1
+	Else
+		For i = n To 1 Step -1
+			If i = n Then
+				factorial = n
+			Else
+				factorial = factorial * i
+			End If
+		Next
+	End If
+End Function
+
+'Find the first 15 Catalan numbers.
+For j = 1 To 15
+	WScript.StdOut.Write j & " = " & catalan(j)
+	WScript.StdOut.WriteLine
+Next