- #1

JeeebeZ

- 40

- 1

## Homework Statement

I need a summation where the answer is 1 2 2 2 2 2 2 2

## Homework Equations

a(0) + sum(2*a(1) + 2*a(2) +2*a(3))

## The Attempt at a Solution

I unfortunately have no idea where to start, basically it is taking a symmetrical function from 0 to N-1. where the function is symmetric from the center point.

I have an answer for it which is

a(N-1/2) + sum_n=1^(N-1)/2 (2*a[((N-1)/2) - n])

However I wanted to put it all inside the summation