99 Bottles of Beer
582
Abundant Numbers
622
Abundant Numbers (Long)
747
Arithmetic Numbers
702
Ascending Primes
370
Christmas Trees
425
Collatz
872
CSS Colors
185
Cubes
391
Day of Week
269
Divisors
648
Emirp Numbers
466
Emirp Numbers (Long)
517
Emojify
279
Evil Numbers
580
Evil Numbers (Long)
577
Fibonacci
818
Fizz Buzz
667
Foo Fizz Buzz Bar
648
Happy Numbers
440
Happy Numbers (Long)
507
ISBN
722
Leap Years
768
Look and Say
149
Medal Tally
476
Morse Encoder
258
Niven Numbers
638
Niven Numbers (Long)
704
Number Spiral
252
Odious Numbers
580
Odious Numbers (Long)
577
Ordinal Numbers
405
Pangram Grep
605
Pernicious Numbers
342
Pernicious Numbers (Long)
433
Prime Numbers
519
Prime Numbers (Long)
557
Recamán
726
ROT13
958
Seven Segment
307
Smith Numbers
498
Time Distance
498
Tongue-twisters
554
United States
167
Van Eck Sequence
528
π
284