yaworsw/euler-manager

# [Lattice paths](https://projecteuler.net/problem=15)

Starting in the top left corner of a 2×2 grid, and only being able to move to the right and down, there are exactly 6 routes to the bottom right corner.

 ![](https://raw.githubusercontent.com/yaworsw/euler-manager/develop/data/images/p015.gif)

How many such routes are there through a 20×20 grid?