99 Bottles of Beer
331
Abundant Numbers
587
Abundant Numbers (Long)
646
Arithmetic Numbers
590
Ascending Primes
309
Christmas Trees
364
Collatz
716
CSS Colors
78
Cubes
270
Divisors
604
Emirp Numbers
370
Emirp Numbers (Long)
416
Emojify
241
Evil Numbers
569
Evil Numbers (Long)
563
Fibonacci
807
Fizz Buzz
604
Foo Fizz Buzz Bar
508
Happy Numbers
334
Happy Numbers (Long)
417
ISBN
547
Leap Years
756
Look and Say
118
Medal Tally
341
Morse Encoder
175
Niven Numbers
626
Niven Numbers (Long)
686
Number Spiral
198
Odious Numbers
568
Odious Numbers (Long)
561
Ordinal Numbers
321
Pangram Grep
499
Pernicious Numbers
334
Pernicious Numbers (Long)
413
Prime Numbers
509
Prime Numbers (Long)
542
RecamΓ‘n
640
ROT13
793
Seven Segment
219
Smith Numbers
353
Time Distance
271
Tongue-twisters
306
United States
122
Van Eck Sequence
483
Ο
248