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Interesting numbers (Posted on 2011-06-07) Difficulty: 3 of 5
3, __, 5, 7, 11, 13, 17, __, 29, __, 47...
What numbers go in the blanks?

  Submitted by Math Man    
Rating: 3.0000 (1 votes)
Solution: (Hide)
4, 23, and 43. These are the indexes of Fibonacci primes.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: Sloaneable (spoiler)broll2011-06-08 01:41:07
SolutionSloaneable (spoiler)Charlie2011-06-07 16:43:27
HintAdy TZIDON2011-06-07 16:19:13
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