12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
Arrows
ASCII Table
brainfuck
Catalan Numbers
1st
Catalan’s Constant
336th
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
Diamonds
95th
433rd
Divisors
Emirp Numbers
Emojify
Evil Numbers
Fibonacci
2,639th
2,912th
4,809th
8,074th
624th
366th
2,171st
2,984th
7,295th
703rd
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
598th
410th
Leap Years
Levenshtein Distance
Leyland Numbers
660th
599th
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Morse Decoder
Morse Encoder
Musical Chords
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
2,096th
1,252nd
Poker
Prime Numbers
2,250th
1,961st
Prime Numbers (Long)
QR Decoder
Quine
1st
3,323rd
Recamán
Reverse Polish Notation
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
728th
233rd
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
λ
π
τ
φ
√2
1,065th
𝑒