You are given a list of integers and an integer target, return a list of a pair of numbers in any order such that they add up to target. If there is no such pair of numbers, then return an empty list

[45, 6, 5, 17, 23, 29, 20, 46, 30, 37, 13, 35, 38, 40, 36, 10, 49, 15, 44, 24], target=30
[17, 13]