12 Days of Christmas
81199 Bottles of Beer
619Abundant Numbers
484Christmas Trees
719Cubes
453Diamonds
298Divisors
526Emirp Numbers
412Evil Numbers
348Fibonacci
746Fizz Buzz
773Happy Numbers
466Leap Years
534Morse Decoder
340Morse Encoder
363Niven Numbers
304Odious Numbers
321Ordinal Numbers
545Pangram Grep
389Pascal’s Triangle
417Pernicious Numbers
254Prime Numbers
381Rule 110
4Seven Segment
485Sierpiński Triangle
86λ
180π
50τ
50φ
44√2
46𝑒
38