99 Bottles of Beer
331
Abundant Numbers
588
Abundant Numbers (Long)
647
Arithmetic Numbers
583
Ascending Primes
316
Christmas Trees
364
Collatz
717
CSS Colors
78
Cubes
259
Day of Week
207
Divisors
604
Emirp Numbers
370
Emirp Numbers (Long)
417
Emojify
242
Evil Numbers
569
Evil Numbers (Long)
564
Fibonacci
808
Fizz Buzz
605
Foo Fizz Buzz Bar
508
Happy Numbers
349
Happy Numbers (Long)
418
ISBN
548
Leap Years
757
Look and Say
118
Medal Tally
340
Morse Encoder
175
Niven Numbers
626
Niven Numbers (Long)
687
Number Spiral
198
Odious Numbers
568
Odious Numbers (Long)
562
Ordinal Numbers
317
Pangram Grep
500
Pernicious Numbers
334
Pernicious Numbers (Long)
414
Prime Numbers
510
Prime Numbers (Long)
543
Recamán
657
ROT13
799
Seven Segment
217
Smith Numbers
353
Time Distance
271
Tongue-twisters
306
Trinomial Triangle
361
United States
120
Van Eck Sequence
484
π
254