12 Days of Christmas
869
Abundant Numbers
859
Abundant Numbers (Long)
931
Arabic to Roman
577
Arithmetic Numbers
687
Arrows
437
ASCII Table
654
Card Number Validation
707
Catalan Numbers
349
Divisors
797
Emirp Numbers
427
Emojify
419
Evil Numbers
400
Farey Sequence
556
Fizz Buzz
655
Fractions
991
ISBN
590
Look and Say
669
Number Spiral
230
Rock-paper-scissors-Spock-lizard
518