Create a function that takes a number n as an argument and checks whether the given number can be expressed as a sum of two or more consecutive positive numbers.
consecutiveSum(9) ➞ true
// 9 can be expressed as a sum of (2 + 3 + 4) or (4 + 5).
consecutiveSum(10) ➞ true
// 10 can be expressed as a sum of 1 + 2 + 3 + 4.
consecutiveSum(64) ➞ false
N/A