12 Days of Christmas
99 Bottles of Beer
Arabic to Roman
Arithmetic Numbers
Christmas Trees
Collatz
CSS Colors
Day of Week
Diamonds
Evil Numbers
Evil Numbers (Long)
Fibonacci
33rd43rd87th48th10th70th80th125th67th1st148th156th135th85th
Fizz Buzz
Game of Life
Hexdump
Intersection
ISBN
Leap Years
Levenshtein Distance
Look and Say
Niven Numbers
Odious Numbers
Ordinal Numbers
Prime Numbers
Quine
Reverse Polish Notation
Rule 110
Star Wars Opening Crawl
United States
π
τ
√2
𝑒