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Showing posts with label Binet. Show all posts
Showing posts with label Binet. Show all posts

Project Euler: Problem 2

Well, in the end I couldn't resist any more and here we go, Project Euler, problem No. 2:
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:
1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...
By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.
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