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Binary Repunit Fibonaccis (Posted on 2007-01-22) Difficulty: 5 of 5
What non-zero Fibonacci numbers are one less than a power of two? (That would make each of them consist of all 1's in binary.)

See The Solution Submitted by Charlie    
Rating: 5.0000 (1 votes)

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Question re: A possible solution (spoiler) | Comment 4 of 6 |
(In reply to A possible solution (spoiler) by Dej Mar)

Are there any more?
  Posted by Charlie on 2007-03-22 14:48:34

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