99 Bottles of Beer
331
Abundant Numbers
587
Abundant Numbers (Long)
645
Arithmetic Numbers
581
Ascending Primes
308
Christmas Trees
364
Collatz
715
CSS Colors
78
Cubes
270
Divisors
604
Emirp Numbers
370
Emirp Numbers (Long)
416
Emojify
241
Evil Numbers
569
Evil Numbers (Long)
562
Fibonacci
807
Fizz Buzz
604
Foo Fizz Buzz Bar
508
Happy Numbers
334
Happy Numbers (Long)
417
ISBN
546
Leap Years
756
Look and Say
118
Medal Tally
341
Morse Encoder
174
Niven Numbers
625
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)
412
Prime Numbers
509
Prime Numbers (Long)
542
RecamΓ‘n
640
ROT13
791
Seven Segment
219
Smith Numbers
352
Time Distance
270
Tongue-twisters
310
United States
127
Van Eck Sequence
482
Ο
248