12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
brainfuck
Catalan Numbers
23rd203rd
Catalan’s Constant
Christmas Trees
Collatz
58th462nd
Cubes
Day of Week
35th174th
Diamonds
Divisors
101st1st
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
91st645th
Evil Numbers (Long)
54th332nd
Farey Sequence
Fibonacci
166th148th
Fizz Buzz
263rd624th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
ISBN
Kolakoski Constant
Kolakoski Sequence
18th16th
Leap Years
102nd618th
Levenshtein Distance
Leyland Numbers
17th195th
Look and Say
Lucky Numbers
Lucky Tickets
Morse Decoder
Morse Encoder
Niven Numbers
77th418th
Niven Numbers (Long)
40th199th
Odious Numbers
70th444th
Odious Numbers (Long)
46th260th
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
QR Decoder
Quine
62nd55th
Recamán
Reverse Polish Notation
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Time Distance
United States
Van Eck Sequence
π
τ
φ
√2
𝑒