12 Days of Christmas

99 Bottles of Beer

Abundant Numbers

Abundant Numbers (Long)

Arithmetic Numbers

Ascending Primes

ASCII Table

Catalan Numbers

Collatz

Diamonds

Divisors

Emirp Numbers

Emirp Numbers (Long)

Evil Numbers

Evil Numbers (Long)

Factorial Factorisation

Farey Sequence

Fibonacci

Fizz Buzz

Foo Fizz Buzz Bar

Forsyth–Edwards Notation

Fractions

Game of Life

Gijswijt’s Sequence

Happy Numbers

Happy Numbers (Long)

ISBN

Kolakoski Sequence

Leap Years

Leyland Numbers

Look and Say

Niven Numbers

Niven Numbers (Long)

Number Spiral

Odious Numbers

Odious Numbers (Long)

Pangram Grep

Pernicious Numbers

Pernicious Numbers (Long)

Prime Numbers

Prime Numbers (Long)

Quine

Reverse Polish Notation

Rule 110

Smith Numbers

Van Eck Sequence

π

τ

√2

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