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12 Days of Christmas

99 Bottles of Beer

Abundant Numbers

Abundant Numbers (Long)

Arabic to Roman

Arithmetic Numbers

Arrows

ASCII Table

Catalan Numbers

Christmas Trees

Collatz

CSS Colors

Cubes

Day of Week

Diamonds

Divisors

Emirp Numbers

Emirp Numbers (Long)

Evil Numbers

Evil Numbers (Long)

Fibonacci

Fizz Buzz

Foo Fizz Buzz Bar

Forsyth–Edwards Notation

Fractions

Game of Life

Happy Numbers

Happy Numbers (Long)

Intersection

Inventory Sequence

ISBN

Kolakoski Constant

Kolakoski Sequence

Leap Years

Levenshtein Distance

Leyland Numbers

ln 2

Look and Say

Medal Tally

Niven Numbers

Niven Numbers (Long)

Number Spiral

Pangram Grep

Pernicious Numbers

Prime Numbers

Prime Numbers (Long)

Quine

Rock-paper-scissors-Spock-lizard

Star Wars Opening Crawl

Ten-pin Bowling

Tongue-twisters

United States

Vampire Numbers