12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Card Number Validation
Catalan’s Constant
Christmas Trees
Collatz
Cubes
Divisors
Factorial Factorisation
Fibonacci
4,709th6,074th2,035th
Fizz Buzz
7,221st8,876th2,425th
Foo Fizz Buzz Bar
1,887th2,111th982nd
Fractions
Leap Years
2,501st2,759th2,469th
N Queens
Pascal’s Triangle
Polyominoes
Prime Numbers
Prime Numbers (Long)
Recamán
Tongue-twisters
π