12 Days of Christmas
406
99 Bottles of Beer
442
Abundant Numbers
688
Abundant Numbers (Long)
754
Arabic to Roman
434
Arithmetic Numbers
719
Arrows
568
Ascending Primes
414
ASCII Table
415
Card Number Validation
535
Catalan Numbers
570
Christmas Trees
583
Collatz
754
CSS Colors
226
Cubes
475
Divisors
699
Emirp Numbers
478
Emirp Numbers (Long)
536
Emojify
544
Evil Numbers
785
Evil Numbers (Long)
768
Factorial Factorisation
346
Farey Sequence
570
Fibonacci
845
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Fractions
470
Happy Numbers
692
Happy Numbers (Long)
604
Hexdump
404
ISBN
499
Kaprekar Numbers
269
Leap Years
770
Leyland Numbers
816
Lucky Numbers
567
Morse Decoder
408
Morse Encoder
496
Niven Numbers
771
Niven Numbers (Long)
840
Odious Numbers
783
Odious Numbers (Long)
766
Pangram Grep
724
Pernicious Numbers
711
Pernicious Numbers (Long)
522
Prime Numbers
754
Prime Numbers (Long)
629
Quine
365
RecamΓ‘n
707
Roman to Arabic
574
ROT13
450
Seven Segment
449
Smith Numbers
398
Tongue-twisters
416
Transpose Sentence
580
United States
395
Vampire Numbers
538
Van Eck Sequence
575