12 Days of Christmas
863
99 Bottles of Beer
777
Abundant Numbers
713
Abundant Numbers (Long)
832
Arabic to Roman
618
Arithmetic Numbers
829
Arrows
632
Ascending Primes
469
ASCII Table
521
Card Number Validation
661
Catalan Numbers
568
Christmas Trees
674
Collatz
831
CSS Colors
505
Cubes
646
Day of Week
889
Divisors
734
Emirp Numbers
579
Emirp Numbers (Long)
642
Emojify
450
Evil Numbers
784
Evil Numbers (Long)
767
Factorial Factorisation
432
Farey Sequence
650
Fibonacci
844
Fizz Buzz
973
Foo Fizz Buzz Bar
982
Fractions
554
Happy Numbers
888
Happy Numbers (Long)
709
Hexdump
598
ISBN
636
Leap Years
813
Leyland Numbers
952
Lucky Numbers
584
Morse Decoder
532
Morse Encoder
632
Niven Numbers
767
Niven Numbers (Long)
833
Odious Numbers
781
Odious Numbers (Long)
763
Pangram Grep
850
Pernicious Numbers
708
Pernicious Numbers (Long)
759
Prime Numbers
754
Prime Numbers (Long)
638
Quine
364
Recamán
778
Roman to Arabic
859
ROT13
916
Seven Segment
602
Smith Numbers
542
Spelling Numbers
447
Tongue-twisters
737
Transpose Sentence
729
United States
527
Vampire Numbers
721
Van Eck Sequence
606
Zodiac Signs
706