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The sum of 2016 terms (Posted on 2017-03-21) Difficulty: 3 of 5
The sequence a1, a2, a3 ..., of integers has the property
that for all n ≥ 3, an=an-1-an-2.
If the sum of the first 1807 terms is 1807 and the sum of the first 1907 terms is 1907, what is the sum of the first 2016 terms?

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
SolutionSolutionBrian Smith2017-03-21 09:42:36
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