12 Days of Christmas
881
99 Bottles of Beer
773
Abundant Numbers
717
Abundant Numbers (Long)
851
Arabic to Roman
596
Arithmetic Numbers
844
Arrows
639
Ascending Primes
476
ASCII Table
526
Card Number Validation
668
Catalan Numbers
570
Christmas Trees
670
Collatz
899
CSS Colors
507
Cubes
665
Divisors
738
Emirp Numbers
589
Emirp Numbers (Long)
645
Emojify
451
Evil Numbers
785
Evil Numbers (Long)
768
Factorial Factorisation
434
Farey Sequence
647
Fibonacci
845
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
552
Happy Numbers
893
Happy Numbers (Long)
713
Hexdump
603
ISBN
639
Kaprekar Numbers
301
Leap Years
770
Leyland Numbers
958
Lucky Numbers
588
Morse Decoder
534
Morse Encoder
631
Niven Numbers
773
Niven Numbers (Long)
842
Odious Numbers
783
Odious Numbers (Long)
766
Pangram Grep
854
Pernicious Numbers
711
Pernicious Numbers (Long)
532
Prime Numbers
754
Prime Numbers (Long)
629
Quine
365
RecamΓ‘n
784
Roman to Arabic
759
ROT13
517
Seven Segment
615
Smith Numbers
541
Tongue-twisters
737
Transpose Sentence
728
United States
554
Vampire Numbers
728
Van Eck Sequence
607