12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
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Christmas Trees
Diamonds
Divisors
Emirp Numbers
Evil Numbers
Fibonacci
Fizz Buzz
Happy Numbers
Leap Years
Morse Decoder
Morse Encoder
Niven Numbers
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Prime Numbers
Quine
Seven Segment
Sierpiński Triangle
λ
π
548
617
353
τ
545
617
φ
√2
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