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
Collatz
CSS Colors
Cubes
Day of Week
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
24th
Fizz Buzz
21st
Foo Fizz Buzz Bar
Fractions
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Maze
Medal Tally
Morse Decoder
Morse Encoder
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)
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
15th
Sierpiński Triangle
Smith Numbers
Star Wars Opening Crawl
Ten-pin Bowling
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
γ
λ
π
τ
φ
√2
𝑒
12th
23rd
13th
19th
19th
59th
46th
33rd
32nd
14th
21st
41st
13th
27th
12th
14th
35th
14th
30th
12th
28th
27th
90th
8th
14th
6th
35th
23rd
29th
330th
24th
32nd
18th
62nd
36th