All Things Fibonacci

It's everybody's favorite algorithmic sequence. Dig deep and you'll find bunny rabbits, golden ratios, and sunflower seeds. What's not to like? As a result, it shows up everywhere people write code. Here are my favorite Fibonacci-related problems on Cody. By the way, that image is of Leonardo of Pisa. History knows him as Fibonacci, but his friends never called him that. Maybe we should call these things "Leo sequences."

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Problem Title	Likes	Solvers
Problem 12. Fibonacci sequence Created by: Cody Team Tags sequences, siam, fibonacci	54	8308
Problem 1946. Fibonacci-Sum of Squares Created by: Chris Cleveland Tags sum of squares, fibonacci	1	307
Problem 44311. Number of Even Elements in Fibonacci Sequence Created by: Mehmet OZC Tags fibonacci, big number, even number	3	401
Problem 232. Project Euler: Problem 2, Sum of even Fibonacci Created by: Doug Hull Tags projecteuler, fibonacci	7	443
Problem 2024. Triangle sequence Created by: Tanya Morton Tags pythagoras, fibonacci	65	1235
Problem 44481. How many Fibonacci numbers? Created by: Bob Tivnan Tags integers, fibonacci	0	84
Problem 42340. Fibonacci Decomposition Created by: Ned Gulley Tags fibonacci	1	77
Problem 752. Is X a Fibonacci Matrix? Created by: Sean de Wolski Tags fibonacci	0	119
Problem 8057. (Linear) Recurrence Equations - Generalised Fibonacci-like sequences Created by: Jan Orwat Tags fibonacci, recurrence, sequences	1	55

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Recent Activity

	Le Huu Hai submitted Solution 2027147 to Problem 42340. Fibonacci Decomposition 58 minutes ago
	Le Huu Hai submitted Solution 2027142 to Problem 42340. Fibonacci Decomposition 1 hour and 1 minute ago
	Le Huu Hai submitted Solution 2027142 to Problem 42340. Fibonacci Decomposition 1 hour and 1 minute ago
	Le Huu Hai submitted Solution 2027132 to Problem 8057. (Linear) Recurrence Equations - Generalised Fibonacci-like sequences 1 hour and 6 minutes ago
	Le Huu Hai submitted Solution 2027081 to Problem 44481. How many Fibonacci numbers? 1 hour and 50 minutes ago