--- id: 5900f50a1000cf542c51001c challengeType: 5 title: 'Problem 413: One-child Numbers' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests
```yml tests: - text: '' testString: 'assert.strictEqual(euler413(), 3079418648040719, "euler413() should return 3079418648040719.");' ```
## Challenge Seed
```js function euler413() { // Good luck! return true; } euler413(); ```
## Solution
```js // solution required ```