--- id: 5900f5021000cf542c510014 challengeType: 5 title: 'Problem 405: A rectangular tiling' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler405(), 237696125, "euler405() should return 237696125.");' ``` ## Challenge Seed ```js function euler405() { // Good luck! return true; } euler405(); ``` ## Solution ```js // solution required ```
euler405()