12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
691
Abundant Numbers (Long)
245
Arabic to Roman
Arithmetic Numbers
7
Arrows
Ascending Primes
ASCII Table
658
Billiards
brainfuck
Card Number Validation
Catalan Numbers
567
Catalan’s Constant
Christmas Trees
Collatz
667
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
457
Emirp Numbers
980
Emirp Numbers (Long)
313
Emojify
870
Evil Numbers
564
Evil Numbers (Long)
45
Factorial Factorisation
Farey Sequence
Fibonacci
762
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
221
Happy Numbers
977
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
1,000
Kolakoski Constant
Kolakoski Sequence
Leap Years
560
Levenshtein Distance
Leyland Numbers
ln 2
494
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
595
Niven Numbers (Long)
Number Spiral
1,000
Odious Numbers
500
Odious Numbers (Long)
41
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
708
Pernicious Numbers (Long)
577
Poker
Polyominoes
1,000
Prime Numbers
568
Prime Numbers (Long)
442
Proximity Grid
813
QR Decoder
Quine
1,0001,000
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
577
Roman to Arabic
Rule 110
Seven Segment
SI Units
942
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
560608687
Transpose Sentence
United States
Vampire Numbers
1,000
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒