diff --git "a/leetcode3/\354\240\225\354\247\204\354\230\201/1137. N-th Tribonacci Number" "b/leetcode3/\354\240\225\354\247\204\354\230\201/1137. N-th Tribonacci Number"
new file mode 100644
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--- /dev/null
+++ "b/leetcode3/\354\240\225\354\247\204\354\230\201/1137. N-th Tribonacci Number"	
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+/**
+ * @param {number} n
+ * @return {number}
+ */
+var tribonacci = function(n) {
+    // dp
+    const dp = new Array(n).fill(0);
+    dp[0] = 0;
+    dp[1] = 1;
+    dp[2] = 1;
+
+    for (let i = 3; i <= n; i++){
+        dp[i] = dp[i-1] + dp[i-2] + dp[i-3];
+    }
+
+    return dp[n];
+};