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Integers only (Posted on 2014-03-31) Difficulty: 3 of 5
What is the smallest pair (a1,a2) of integers (a1, less than a2) to provide a list of 24 integers using
a recurrent function a(n)=(a(n-1)+a(n-2))/2?

  Submitted by Ady TZIDON    
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Solution: (Hide)
I. If only positive integers are allowed for (a1, a2)
the pair is (1, 2^22 + 1).
ii. If zero is allowed: (0, 2^22).
iii. If all integers are allowed:(-2^21, 2^21).

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some Thoughtsre: Generalised approachSteve Herman2014-04-01 08:53:55
Some ThoughtsGeneralised approachHarry2014-03-31 21:53:28
re(3): Some questions / Possible solution(s)Jer2014-03-31 20:29:02
Some Thoughtsre(2): Some questions / Possible solution(s)Ady TZIDON2014-03-31 15:21:06
Hints/Tipsre: Some questions / Possible solution(s) HINTAdy TZIDON2014-03-31 14:58:05
Solutionre: Some questions / Possible solution(s)Jer2014-03-31 14:56:35
Hints/TipsSome questions / Possible solution(s)tomarken2014-03-31 14:46:35
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