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
854th
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
2,640th
Fizz Buzz
10,297th
11,520th
5,474th
11,292nd
9,259th
10,046th
10,653rd
3,691st
9,836th
6,160th
7,220th
9,559th
1,427th
10,403rd
9,688th
3,704th
9,676th
9,712th
3,614th
11,495th
8,440th
1st
9,050th
11,464th
11,214th
4,060th
3,711th
1,695th
6,845th
7,693rd
5,091st
1,643rd
9,847th
9,057th
9,140th
7,301st
3,796th
10,112th
11,040th
10,764th
53rd
6,037th
10,978th
9,181st
4,793rd
7,241st
4,228th
9,177th
8,781st
9,505th
9,298th
11,409th
3,927th
9,316th
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
939th
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
2,742nd
Niven Numbers (Long)
Number Spiral
Odious Numbers
2,665th
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
2,910th
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
1st
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
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒