JavaScript Program to Sum of Fibonacci Numbers at Even Indexes up to N Terms

Fibonacci numbers are a sequence of numbers where each number is the sum of the two preceding ones, starting from 0 and 1. In this article, we will explore how to calculate the sum of Fibonacci numbers at even indexes up to N terms using JavaScript.

Sum of Fibonacci Numbers at Even Indexes up to N Terms using Iteration

The basic method is to use a loop to generate Fibonacci numbers up to N terms and sum the numbers at even indexes.

Sum of Fibonacci Numbers: 88

Sum of Fibonacci Numbers at Even Indexes up to N Terms using Recursion

We can also use recursion to calculate Fibonacci numbers and sum the even-indexed terms. However, this approach might be less efficient for larger values of N due to the overhead of recursive calls.

Sum of Fibonacci Numbers: 88

Sum of Fibonacci Numbers at Even Indexes up to N Terms using Dynamic Programming

To optimize the recursive approach, we can use dynamic programming to store the Fibonacci numbers as we calculate them, reducing the number of calculations needed.