99 Bottles of Beer
578
Abundant Numbers
613
Abundant Numbers (Long)
729
Arithmetic Numbers
683
Ascending Primes
356
Christmas Trees
418
Collatz
854
CSS Colors
177
Cubes
385
Day of Week
258
Divisors
638
Emirp Numbers
456
Emirp Numbers (Long)
501
Emojify
273
Evil Numbers
569
Evil Numbers (Long)
563
Fibonacci
807
Fizz Buzz
662
Foo Fizz Buzz Bar
640
Happy Numbers
431
Happy Numbers (Long)
492
ISBN
700
Leap Years
757
Look and Say
145
Medal Tally
458
Morse Encoder
253
Niven Numbers
627
Niven Numbers (Long)
688
Number Spiral
243
Odious Numbers
568
Odious Numbers (Long)
562
Ordinal Numbers
395
Pangram Grep
589
Pernicious Numbers
334
Pernicious Numbers (Long)
421
Prime Numbers
510
Prime Numbers (Long)
542
Recamán
710
ROT13
916
Seven Segment
300
Smith Numbers
480
Time Distance
487
Tongue-twisters
550
United States
163
Van Eck Sequence
510
π
278