Data commit

Task/Van-Eck-sequence/Scala/van-eck-sequence.scala

@@ -0,0 +1,17 @@
+object VanEck extends App {
+
+  def vanEck(n: Int): List[Int] = {
+
+    def vanEck(values: List[Int]): List[Int] =
+      if (values.size < n)
+        vanEck(math.max(0, values.indexOf(values.head, 1)) :: values)
+      else
+        values
+
+    vanEck(List(0)).reverse
+  }
+
+  val vanEck1000 = vanEck(1000)
+  println(s"The first 10 terms are ${vanEck1000.take(10)}.")
+  println(s"Terms 991 to 1000 are ${vanEck1000.drop(990)}.")
+}