12 Days of Christmas
406
99 Bottles of Beer
445
Abundant Numbers
688
Abundant Numbers (Long)
756
Arabic to Roman
450
Arithmetic Numbers
720
Arrows
568
Ascending Primes
416
ASCII Table
415
Card Number Validation
538
Catalan Numbers
571
Christmas Trees
590
Collatz
755
CSS Colors
227
Cubes
475
Day of Week
711
Divisors
700
Emirp Numbers
478
Emirp Numbers (Long)
537
Emojify
545
Evil Numbers
785
Evil Numbers (Long)
769
Factorial Factorisation
347
Farey Sequence
572
Fibonacci
846
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Fractions
470
Happy Numbers
693
Happy Numbers (Long)
605
Hexdump
405
ISBN
500
Leap Years
815
Leyland Numbers
817
Lucky Numbers
568
Morse Decoder
408
Morse Encoder
507
Niven Numbers
771
Niven Numbers (Long)
841
Odious Numbers
784
Odious Numbers (Long)
767
Pangram Grep
725
Pernicious Numbers
711
Pernicious Numbers (Long)
752
Prime Numbers
755
Prime Numbers (Long)
639
Quine
365
Recamán
708
Roman to Arabic
653
ROT13
797
Seven Segment
450
Smith Numbers
399
Spelling Numbers
284
Tongue-twisters
411
Transpose Sentence
582
United States
392
Vampire Numbers
539
Van Eck Sequence
576
Zodiac Signs
503