jameslindesay

Abundant Numbers

Arabic to Roman

Divisors

Emirp Numbers

Evil Numbers

Fibonacci

Fizz Buzz

Happy Numbers

Kolakoski Constant

Kolakoski Sequence

Leap Years

Leyland Numbers

Niven Numbers

Ordinal Numbers

Pangram Grep

Pernicious Numbers

Prime Numbers

Recamán

Rock-paper-scissors-Spock-lizard

Tongue-twisters

λ

π

τ

φ

√2

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