--- id: 5900f4811000cf542c50ff94 challengeType: 5 title: 'Problem 277: A Modified Collatz sequence' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler277(), 1125977393124310, "euler277() should return 1125977393124310.");' ``` ## Challenge Seed ```js function euler277() { // Good luck! return true; } euler277(); ``` ## Solution ```js // solution required ```
euler277()