12 Days of Christmas
721
83899 Bottles of Beer
811Abundant Numbers
703Christmas Trees
764Diamonds
462Divisors
750Emirp Numbers
511Evil Numbers
727Fibonacci
878Fizz Buzz
983Foo Fizz Buzz Bar
1,000Fractions
683Happy Numbers
544Leap Years
827Niven Numbers
733Odious Numbers
755Ordinal Numbers
555Pangram Grep
727Pascal’s Triangle
621Prime Numbers
494Prime Numbers (Long)
530Recamán
569Rock-paper-scissors-Spock-lizard
613Roman to Arabic
590Seven Segment
405Van Eck Sequence
479π
451τ
458φ
707√2
700𝑒
475