12 Days of Christmas
673
24 Game
55
99 Bottles of Beer
669
Arrows
244
Card Number Validation
383
Collatz
712
Day of Week
737
Diamonds
303
Divisors
351
Farey Sequence
294
Fizz Buzz
630
Forsyth–Edwards Notation
381
ISBN
480
Kaprekar Numbers
152
Leap Years
737
Niven Numbers
604
Pernicious Numbers
381
Seven Segment
331
Ten-pin Bowling
294
Tongue-twisters
628
π
98
𝑒
78