12 Days of Christmas
718
24 Game
55
99 Bottles of Beer
669
Arrows
244
Card Number Validation
382
Collatz
711
Day of Week
737
Diamonds
302
Divisors
351
Farey Sequence
294
Fizz Buzz
630
Forsyth–Edwards Notation
380
ISBN
479
Kaprekar Numbers
152
Leap Years
736
Niven Numbers
604
Pernicious Numbers
381
Seven Segment
330
Ten-pin Bowling
293
Tongue-twisters
630
π
98
𝑒
77