12 Days of Christmas
406
99 Bottles of Beer
445
Abundant Numbers
688
Abundant Numbers (Long)
755
Arabic to Roman
434
Arithmetic Numbers
719
Arrows
568
Ascending Primes
415
ASCII Table
415
Card Number Validation
536
Catalan Numbers
571
Christmas Trees
590
Collatz
754
CSS Colors
226
Cubes
475
Day of Week
710
Divisors
700
Emirp Numbers
478
Emirp Numbers (Long)
537
Emojify
544
Evil Numbers
785
Evil Numbers (Long)
768
Factorial Factorisation
346
Farey Sequence
571
Fibonacci
845
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Fractions
470
Happy Numbers
692
Happy Numbers (Long)
604
Hexdump
405
ISBN
499
Kaprekar Numbers
270
Leap Years
770
Leyland Numbers
816
Lucky Numbers
567
Morse Decoder
408
Morse Encoder
506
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
708
Roman to Arabic
574
ROT13
794
Seven Segment
449
Smith Numbers
398
Tongue-twisters
416
Transpose Sentence
580
United States
385
Vampire Numbers
538
Van Eck Sequence
575
Zodiac Signs
503