12 Days of Christmas
846
99 Bottles of Beer
776
Abundant Numbers
713
Abundant Numbers (Long)
846
Arabic to Roman
618
Arithmetic Numbers
830
Arrows
631
Ascending Primes
470
ASCII Table
521
Card Number Validation
661
Catalan Numbers
569
Christmas Trees
674
Collatz
832
CSS Colors
503
Cubes
645
Day of Week
889
Divisors
722
Emirp Numbers
579
Emirp Numbers (Long)
617
Emojify
450
Evil Numbers
784
Evil Numbers (Long)
767
Factorial Factorisation
428
Farey Sequence
592
Fibonacci
844
Fizz Buzz
973
Foo Fizz Buzz Bar
981
Fractions
553
Happy Numbers
888
Happy Numbers (Long)
709
Hexdump
593
ISBN
636
Leap Years
813
Leyland Numbers
952
Lucky Numbers
584
Morse Decoder
530
Morse Encoder
630
Niven Numbers
767
Niven Numbers (Long)
834
Odious Numbers
781
Odious Numbers (Long)
764
Pangram Grep
850
Pernicious Numbers
708
Pernicious Numbers (Long)
760
Prime Numbers
754
Prime Numbers (Long)
638
Quine
365
Recamán
778
Roman to Arabic
860
ROT13
917
Seven Segment
591
Smith Numbers
504
Spelling Numbers
447
Tongue-twisters
724
Transpose Sentence
729
United States
527
Vampire Numbers
721
Van Eck Sequence
606
Zodiac Signs
706