Initial data commit

Task/Multifactorial/Swift/multifactorial.swift

@@ -0,0 +1,13 @@
+func multiFactorial(_ n: Int, k: Int) -> Int {
+  return stride(from: n, to: 0, by: -k).reduce(1, *)
+}
+
+let multis = (1...5).map({degree in
+  (1...10).map({member in
+    multiFactorial(member, k: degree)
+  })
+})
+
+for (i, degree) in multis.enumerated() {
+  print("Degree \(i + 1): \(degree)")
+}