hiddicop 🇸🇪

12 Days of Christmas

99 Bottles of Beer

Abundant Numbers

Arabic to Roman

Christmas Trees

CSS Colors

Cubes

Diamonds

Divisors

Emirp Numbers

Evil Numbers

Fibonacci

Fizz Buzz

Happy Numbers

Intersection

Kolakoski Constant

Kolakoski Sequence

Leap Years

Levenshtein Distance

Leyland Numbers

Look and Say

Lucky Tickets

Morse Decoder

Morse Encoder

Niven Numbers

Odious Numbers

Ordinal Numbers

Pangram Grep

Pascal’s Triangle

Pernicious Numbers

Prime Numbers

Quine

Recamán

Rock-paper-scissors-Spock-lizard

Roman to Arabic

Rule 110

Seven Segment

Sierpiński Triangle

Tongue-twisters

Vampire Numbers

λ

π

τ

φ

√2

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