99 Bottles of Beer
333
Abundant Numbers
598
Abundant Numbers (Long)
663
Arithmetic Numbers
596
Ascending Primes
326
Christmas Trees
370
Collatz
731
CSS Colors
81
Cubes
274
Day of Week
215
Divisors
614
Emirp Numbers
377
Emirp Numbers (Long)
429
Emojify
246
Evil Numbers
580
Evil Numbers (Long)
577
Fibonacci
818
Fizz Buzz
609
Foo Fizz Buzz Bar
516
Happy Numbers
356
Happy Numbers (Long)
430
ISBN
563
Leap Years
768
Look and Say
121
Medal Tally
352
Morse Encoder
178
Niven Numbers
638
Niven Numbers (Long)
704
Number Spiral
205
Odious Numbers
580
Odious Numbers (Long)
577
Ordinal Numbers
330
Pangram Grep
513
Pernicious Numbers
342
Pernicious Numbers (Long)
425
Prime Numbers
519
Prime Numbers (Long)
557
Recamán
671
ROT13
831
Seven Segment
224
Smith Numbers
364
Time Distance
277
Tongue-twisters
308
Trinomial Triangle
377
United States
122
Van Eck Sequence
500
π
259