99 Bottles of Beer
578
Abundant Numbers
609
Abundant Numbers (Long)
712
Arithmetic Numbers
670
Ascending Primes
356
Christmas Trees
415
Collatz
789
CSS Colors
177
Cubes
376
Day of Week
259
Divisors
634
Emirp Numbers
448
Emirp Numbers (Long)
499
Emojify
273
Evil Numbers
568
Evil Numbers (Long)
562
Fibonacci
805
Fizz Buzz
660
Foo Fizz Buzz Bar
637
Happy Numbers
447
Happy Numbers (Long)
489
ISBN
696
Leap Years
755
Look and Say
145
Medal Tally
452
Morse Encoder
248
Niven Numbers
622
Niven Numbers (Long)
681
Number Spiral
242
Odious Numbers
566
Odious Numbers (Long)
559
Ordinal Numbers
389
Pangram Grep
586
Pernicious Numbers
333
Pernicious Numbers (Long)
418
Prime Numbers
509
Prime Numbers (Long)
541
Recamán
721
ROT13
916
Seven Segment
293
Smith Numbers
479
Time Distance
485
Tongue-twisters
548
Trinomial Triangle
414
United States
161
Van Eck Sequence
509
π
283