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
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
6th14th8th
Collatz
13th
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
20th
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
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
19th
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Maze
Morse Encoder
Musical Chords
N Queens
Number Spiral
Odious Numbers
Odious Numbers (Long)
Pangram Grep
Pascal’s Triangle
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Quine
Recamán
Reverse Polish Notation
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Tongue-twisters
Transpose Sentence
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
λ
π
τ
φ
√2
𝑒