--- id: 5900f3f91000cf542c50ff0b challengeType: 5 title: 'Problem 141: Investigating progressive numbers, n, which are also square' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler141(), 878454337159, "euler141() should return 878454337159.");' ``` ## Challenge Seed ```js function euler141() { // Good luck! return true; } euler141(); ``` ## Solution ```js // solution required ```
euler141()