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[[Category:Project Euler]]
[[Category:Project Euler]]
[[Category:Programming]]
[[Category:Programming]]
[[Category:Puzzle]]
[[Category:Puzzles]]

Revision as of 23:27, 14 June 2017

Sum of even Fibonacci numbers smaller than 4 million.

Note that this does not mean the even-number-indexed Fibonacci numbers 2, 4, 6, etc., but actually the Fibonacci numbers that are themselves even.