latticePaths(4)
should return 70.");'
- text: ''
testString: 'assert.strictEqual(latticePaths(9), 48620, "latticePaths(9)
should return 48620.");'
- text: ''
testString: 'assert.strictEqual(latticePaths(20), 137846528820, "latticePaths(20)
should return 137846528820.");'
```