12 Days of Christmas
881
99 Bottles of Beer
778
Abundant Numbers
718
Abundant Numbers (Long)
839
Arabic to Roman
619
Arithmetic Numbers
835
Arrows
640
Ascending Primes
472
ASCII Table
527
Card Number Validation
664
Catalan Numbers
571
Christmas Trees
678
Collatz
835
CSS Colors
505
Cubes
665
Day of Week
888
Divisors
738
Emirp Numbers
581
Emirp Numbers (Long)
646
Emojify
451
Evil Numbers
786
Evil Numbers (Long)
769
Factorial Factorisation
436
Farey Sequence
649
Fibonacci
846
Fizz Buzz
977
Foo Fizz Buzz Bar
987
Fractions
553
Happy Numbers
893
Happy Numbers (Long)
714
Hexdump
603
ISBN
640
Leap Years
815
Leyland Numbers
959
Lucky Numbers
589
Morse Decoder
535
Morse Encoder
643
Niven Numbers
773
Niven Numbers (Long)
843
Odious Numbers
784
Odious Numbers (Long)
767
Pangram Grep
855
Pernicious Numbers
711
Pernicious Numbers (Long)
767
Prime Numbers
755
Prime Numbers (Long)
640
Quine
364
Recamán
785
Roman to Arabic
864
ROT13
917
Seven Segment
616
Smith Numbers
542
Spelling Numbers
480
Tongue-twisters
740
Transpose Sentence
733
United States
530
Vampire Numbers
730
Van Eck Sequence
608
Zodiac Signs
708