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