12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
brainfuck
Catalan Numbers
1st
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
Diamonds
Divisors
Emirp Numbers
2nd
Emirp Numbers (Long)
Emojify
Evil Numbers
2nd
6th
💎
1st
💎
1st
Evil Numbers (Long)
Farey Sequence
Fibonacci
1st
8th
2nd
1st
1st
1st
Fizz Buzz
6th
7th
1st
1st
💎
1st
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
2nd
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
1st
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Maze
Medal Tally
Morse Decoder
N Queens
Niven Numbers
1st
8th
1st
3rd
1st
1st
Niven Numbers (Long)
Number Spiral
Odious Numbers
2nd
4th
💎
1st
💎
1st
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
QR Decoder
Quine
1st
Recamán
Repeating Decimals
Reverse Polish Notation
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒