n
natural numbers and the square of the sum.
sumSquareDifference(10)
should return 2640.
testString: assert.strictEqual(sumSquareDifference(10), 2640, 'sumSquareDifference(10)
should return 2640.');
- text: sumSquareDifference(20)
should return 41230.
testString: assert.strictEqual(sumSquareDifference(20), 41230, 'sumSquareDifference(20)
should return 41230.');
- text: sumSquareDifference(100)
should return 25164150.
testString: assert.strictEqual(sumSquareDifference(100), 25164150, 'sumSquareDifference(100)
should return 25164150.');
```