99 Bottles of Beer
            578
        
            Abundant Numbers
            613
        
            Abundant Numbers (Long)
            729
        
            Arithmetic Numbers
            683
        
            Ascending Primes
            362
        
            Christmas Trees
            418
        
            Collatz
            855
        
            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
            450
        
            Happy Numbers (Long)
            493
        
            ISBN
            701
        
            Leap Years
            757
        
            Look and Say
            145
        
            Medal Tally
            458
        
            Morse Encoder
            253
        
            Niven Numbers
            628
        
            Niven Numbers (Long)
            689
        
            Number Spiral
            243
        
            Odious Numbers
            568
        
            Odious Numbers (Long)
            562
        
            Ordinal Numbers
            395
        
            Pangram Grep
            589
        
            Pernicious Numbers
            334
        
            Pernicious Numbers (Long)
            422
        
            Prime Numbers
            510
        
            Prime Numbers (Long)
            542
        
            Recamán
            727
        
            ROT13
            916
        
            Seven Segment
            300
        
            Smith Numbers
            480
        
            Time Distance
            487
        
            Tongue-twisters
            550
        
            Trinomial Triangle
            416
        
            United States
            163
        
            Van Eck Sequence
            510
        
            π
            284