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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
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γ
λ
π
τ
φ
√2
𝑒
Hole
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Bytes
Submitted
Emirp Numbers
dokutan
223
1 Aug 2024
Emirp Numbers
stefangimmillaro
💎
90
26 May 2024
Emirp Numbers
KatieLG
164
29 Mar 2024
Emirp Numbers
msbranicky
218
17 Sep 2023
Emirp Numbers
Euler-37
553
18 Jul 2023
Emirp Numbers
primo-ppcg
116
3 Jul 2023
Emirp Numbers
MeWhenI
🥉
92
16 May 2023
Emirp Numbers
ivan-pi
216
23 Jan 2023
Emirp Numbers
retrohun
571
27 Dec 2022
Emirp Numbers
SirBogman
135
29 Oct 2022
Emirp Numbers
1337-man
643
23 Jan 2022
Emirp Numbers
Lydxn
🥈
91
4 Jan 2022
Emirp Numbers
cure-honey
121
6 Jul 2021
Emirp Numbers
LucaArgentiUCF
138
16 Feb 2021
Emirp Numbers
jvdp1
195
25 Dec 2020
Emirp Numbers
marshallward
114
2 Oct 2020
Emirp Numbers
Tine86
152
20 Apr 2020