Data commit

Task/Motzkin-numbers/Go/motzkin-numbers.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+    "fmt"
+    "rcu"
+)
+
+func motzkin(n int) []int {
+    m := make([]int, n+1)
+    m[0] = 1
+    m[1] = 1
+    for i := 2; i <= n; i++ {
+        m[i] = (m[i-1]*(2*i+1) + m[i-2]*(3*i-3)) / (i + 2)
+    }
+    return m
+}
+
+func main() {
+    fmt.Println(" n          M[n]             Prime?")
+    fmt.Println("-----------------------------------")
+    m := motzkin(41)
+    for i, e := range m {
+        fmt.Printf("%2d  %23s  %t\n", i, rcu.Commatize(e), rcu.IsPrime(e))
+    }
+}