N-th Tribonacci Number

by Sudheer Nunna

JavaScript

var tribonacci = function(n) {
    const newAr = new Array(n+1).fill(0);

newAr[1]=1;
newAr[2] = 1;

for(let i=3;i<=n;i++){
newAr[i]= newAr[i-1]+newAr[i-2]+newAr[i-3]
}
console.log(newAr[8])
   return newAr[n];
};

tribonacci(8);