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Mathematicus Ridiculus

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Fibonacci [Oct. 14th, 2006|02:01 pm]
Mathematicus Ridiculus
mathphiles
[zheyyy]
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[mood |annoyedannoyed]
[music |Natasha Bedingfield - Unwritten]

Question:

The Fibonacci numbers are F(1)=1, F(2)=1, F(3)=2, F(4)=3, F(5)=5, F(6)=8, F(7)=13, ... where the first two are both equal to 1, and from then on, each one is the sum of the two preceding it. Of the first 2004 Fibonacci numbers, how many have 2 as their last digit?

Any ideas?
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Comments:
From: zheyyy
2006-10-14 02:05 pm (UTC)
Solved it.

Just need to list up to around 65 number.

Bah!
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