janlelis

12 Days of Christmas

99 Bottles of Beer

Abundant Numbers

Abundant Numbers (Long)

Arithmetic Numbers

Ascending Primes

ASCII Table

Catalan Numbers

Christmas Trees

Collatz

Day of Week

Divisors

Emirp Numbers

Emojify

Evil Numbers

Evil Numbers (Long)

Farey Sequence

Fibonacci

Foo Fizz Buzz Bar

Fractions

Happy Numbers

Happy Numbers (Long)

Hexdump

Inventory Sequence

ISBN

Kolakoski Constant

Kolakoski Sequence

Leap Years

Leyland Numbers

Look and Say

Medal Tally

Musical Chords

Niven Numbers

Niven Numbers (Long)

Number Spiral

Odious Numbers

Odious Numbers (Long)

Ordinal Numbers

Pangram Grep

Pascal’s Triangle

Pernicious Numbers

Pernicious Numbers (Long)

Prime Numbers

Prime Numbers (Long)

Quine

Recamán

Reverse Polish Notation

Rule 110

Seven Segment

Sierpiński Triangle

Smith Numbers

Spelling Numbers

Tongue-twisters

United States

Van Eck Sequence

π

τ

φ

√2

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