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Cubic Sequence? (Posted on 2014-04-16) Difficulty: 3 of 5
107811/3, 110778111/3, 111077781111/3, 111107777811111/3, .....

Are all the terms in the infinite sequence given above perfect cubes?

If so, prove it. If not, provide a counterexample.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Some Thoughtsre: Easy to answer, proof not so much. (solution)broll2014-04-17 15:47:39
SolutionEasy to answer, proof not so much. (solution)Jer2014-04-17 10:55:34
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