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Task/Catalan-numbers/Harbour/catalan-numbers.harbour

@@ -0,0 +1,17 @@
+PROCEDURE Main()
+   LOCAL i
+
+   FOR i := 0 to 15
+      ? PadL( i, 2 ) + ": " + hb_StrFormat("%d", Catalan( i ))
+   NEXT
+
+   RETURN
+
+STATIC FUNCTION Catalan( n )
+   LOCAL i, nCatalan := 1
+
+   FOR i := 1 TO n
+      nCatalan := nCatalan * 2 * (2 * i - 1) / (i + 1)
+   NEXT
+
+   RETURN nCatalan