12 Days of Christmas
            357
        
            99 Bottles of Beer
            286
        
            Abundant Numbers
            595
        
            Abundant Numbers (Long)
            654
        
            Christmas Trees
            531
        
            Collatz
            614
        
            Divisors
            633
        
            Evil Numbers
            714
        
            Evil Numbers (Long)
            702
        
            Fibonacci
            428
        
            Fizz Buzz
            417
        
            Foo Fizz Buzz Bar
            337
        
            Leap Years
            510
        
            Odious Numbers
            713
        
            Odious Numbers (Long)
            700
        
            Ordinal Numbers
            291
        
            Pascal’s Triangle
            536
        
            Prime Numbers
            462
        
            Prime Numbers (Long)
            492
        
            Sierpiński Triangle
            335
        
            Tongue-twisters
            295