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Top Questions
22
votes
A Mapping of Primes
code-golf
sequence
primes
asked Nov 23, 2015 at 13:22
codegolf.stackexchange.com
17
votes
Can a sum of form $\left(\tfrac49\right)^{a_0}\left(1+\tfrac13\left(\tfrac49\right)^{a_1}(1+\cdots)\right)$ be aperiodic yet rational?
nt.number-theory
limits-and-convergence
diophantine-approximation
asked Jun 12, 2025 at 2:15
mathoverflow.net
11
votes
Given an integer, compute its Levenshtein code
code-golf
sequence
binary
asked Aug 14, 2016 at 22:53
codegolf.stackexchange.com
9
votes
Interpreting PA with only adjunction + separation
set-theory
lo.logic
model-theory
foundations
theories-of-arithmetic
asked Feb 15 at 16:30
mathoverflow.net
7
votes
How strong is successor + separation?
set-theory
lo.logic
foundations
theories-of-arithmetic
asked Mar 16 at 15:57
mathoverflow.net
7
votes
Interpreting PA with only adjunction + separation
set-theory
first-order-logic
peano-axioms
asked Jan 2 at 18:21
math.stackexchange.com
6
votes
Is there a closed form or series representation for this linear recurrence?
recurrence-relations
fibonacci-numbers
asked Dec 27, 2016 at 15:05
math.stackexchange.com
6
votes
Solving the functional equation $f(x)=\frac4{(x+4)^2}f(\frac x{x+4})+2f(2x+1)$
functional-equations
asked Jun 28, 2024 at 16:28
math.stackexchange.com
Top Answers
125
Paint Starry Night, objectively, in 1kB of code
codegolf.stackexchange.com
46
Fibonacci reversed!
codegolf.stackexchange.com
37
A truly amazing way of making the number 2016
puzzling.stackexchange.com
27
What is the smallest positive base 10 integer that can be printed by a program shorter (in characters) than itself?
codegolf.stackexchange.com
26
Programming Languages Through The Years
codegolf.stackexchange.com
25
De-Snakify a String
codegolf.stackexchange.com
23
Center The Text!
codegolf.stackexchange.com
22
A simple TCP server
codegolf.stackexchange.com
18
"Hello, World!"
codegolf.stackexchange.com
18
When is Thanksgiving?
codegolf.stackexchange.com
16
GO OUT AND VOTE
codegolf.stackexchange.com
16
Make the pattern from composition notebooks
codegolf.stackexchange.com
16
Remove unnecessary parentheses
codegolf.stackexchange.com
15
What is your favorite "data analysis" cartoon?
stats.stackexchange.com
14
Use 6, 5 and 3 to make 57
puzzling.stackexchange.com
14
N-dimensional Circles!
codegolf.stackexchange.com
13
Add two numbers
codegolf.stackexchange.com
12
Does this sequence of eights converge, and if so, to what?
math.stackexchange.com
12
Solution(s) to $36n^3 - 19 = xy \cdot (y + 2(6n + x))$
mathoverflow.net
12
A Collatz-like function that bifurcates on primes
mathoverflow.net
12
One OEIS after another
codegolf.stackexchange.com
12
"Hello world" that creates a different "Hello world" program
codegolf.stackexchange.com
12
Create a pie chart
codegolf.stackexchange.com
11
Craft the longest Scrabble sentence
puzzling.stackexchange.com
11
Print/Output the L-phabet
codegolf.stackexchange.com
10
Use the numbers 4 4 7 8 9 10 = 740
puzzling.stackexchange.com
10
Find Recursively Prime Primes
codegolf.stackexchange.com
10
Pi == 3.2
codegolf.stackexchange.com
9
A truly amazing way of making the number 2016
puzzling.stackexchange.com
9
Availability of Medusa algorithm implementations
mathoverflow.net
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