12 Days of Christmas
86399 Bottles of Beer
598Abundant Numbers
500Christmas Trees
495Cubes
33Diamonds
338Divisors
800Evil Numbers
333Fibonacci
519Fizz Buzz
519Happy Numbers
605Leap Years
650Niven Numbers
549Odious Numbers
320Ordinal Numbers
471Pangram Grep
771Pascal’s Triangle
306Pernicious Numbers
128Prime Numbers
757Roman to Arabic
395Rule 110
6Sierpiński Triangle
89United States
263λ
188π
95τ
53φ
47√2
49𝑒
40