Linked Questions
45 questions linked to/from Fibonacci function or sequence
29
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Fibtraction - Fibonacci but with subtraction [duplicate]
The Fibtraction sequence (as I call it) is similar to the Fibonacci sequence except, instead of adding numbers, you subtract them.
The first few numbers of this challenge are:
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- 17.4k
13
votes
37
answers
6k
views
First-n Fibonacci sequence elements [duplicate]
There is a well known question here that asks for a short (least characters) fibonacci sequence generator.
I would like to know if someone can generate the first N elements only, of the fibonacci ...
- 249
5
votes
4
answers
341
views
Implement the Fibonacci sequence... Shifted to the right [duplicate]
Background
We all know the famous Fibonacci sequence, where each term is the sum of the previous two, with the first term being 0 and the second one being ...
- 42.9k
4
votes
1
answer
2k
views
Add the Fibonnaci Sequence to the Lucas Sequence [duplicate]
Background of Lucas Numbers
The French mathematician, Edouard Lucas (1842-1891), who gave the name to the Fibonacci Numbers, found a similar series occurs often when he was investigating Fibonacci ...
- 611
-4
votes
4
answers
605
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Calculate Fibonacci series from nth term to mth term [duplicate]
Your goal is to calculate the sum of Fibonacci series from n th term to m th term (including both terms).
No use of / * % or mathematically what they are in your ...
- 2,725
553
votes
244
answers
141k
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Showcase of Languages
Notes
This thread is open and unlocked only because the community decided to make an exception. Please do not use this question as evidence that you can ask similar questions here. Please do not ...
93
votes
218
answers
25k
views
Find the Factorial!
Create the shortest program or function that finds the factorial of a non-negative integer.
The factorial, represented with ! is defined as such
$$n!:=\begin{...
- 6,528
86
votes
229
answers
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Sum of all integers from 1 to n
I'm honestly surprised that this hasn't been done already. If you can find an existing thread, by all means mark this as a duplicate or let me know.
Input
Your input is in the form of any positive ...
- 1,309
61
votes
153
answers
7k
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Evolution of OEIS
In this challenge, the goal is to recreate the On-Line Encyclopedia of Integer Sequences one sequence at a time. Similar to the Evolution of Hello World, each answer depends on a previous answer.
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- 29.3k
76
votes
61
answers
22k
views
Tips for code-golfing in C#
What general tips do you have for golfing in C#? I'm looking for ideas that can be applied to code golf problems in general that are at least somewhat specific to C# (e.g. "remove comments" is not an ...
- 1,893
82
votes
53
answers
38k
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Tips for golfing in Ruby
What general tips can you give for golfing in Ruby?
I'm looking for ideas that can be applied to code golf problems in general that are specific to Ruby. (For example, "Remove comments" would not be ...
- 1,307
137
votes
29
answers
13k
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Making Future Posts Runnable Online with Stack Snippets [closed]
Stack Snippets were recently added to PPCG! Reminiscent of JSFiddle, Stack Snippets allow HTML, CSS, and JavaScript to be run directly in posts!
Here is a very simple Stack Snippet:
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- 90.8k
59
votes
71
answers
12k
views
Am I a Fibonacci Number?
Your Task:
Write a program or function to check if a number that is inputted is a Fibonacci number. A Fibonacci number is a number contained in the Fibonacci sequence.
The Fibonacci Sequence is ...
- 7,315
45
votes
72
answers
5k
views
Fibonacci-orial
Definition
Fibonacci sequence F(n), on the positive integers, are defined as such:
...
- 50.6k
49
votes
52
answers
12k
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Patience, young "Padovan"
Everyone knows the Fibonacci sequence:
You take a square, attach an equal square to it, then repeatedly attach a square whose side length is equal to the largest side length of the resulting rectangle....
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