12 Days of Christmas
6th
24 Game
99 Bottles of Beer
6th
Abundant Numbers
32nd
Abundant Numbers (Long)
14th
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
6th
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
23rd
Christmas Trees
4th
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
8th
Divisors
Emirp Numbers
29th
Emirp Numbers (Long)
Emojify
Evil Numbers
8th
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
6th41st1st
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
26th
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kolakoski Constant
23rd
Kolakoski Sequence
7th
Leap Years
9th
Levenshtein Distance
Leyland Numbers
21st
ln 2
Look and Say
17th
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
3rd
Musical Chords
N Queens
Niven Numbers
23rd
Niven Numbers (Long)
Number Spiral
Odious Numbers
10th
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
4th
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
24th31st113th
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
23rd
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
4th
Smith Numbers
16th
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
19th
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
38th
π
49th
τ
37th
φ
34th
√2
36th
𝑒
44th