Abundant Numbers
            670
        
            Diamonds
            626
        
            Divisors
            984
        
            Emirp Numbers
            537
        
            Evil Numbers
            741
        
            Fibonacci
            697
        
            Fizz Buzz
            977
        
            Fractions
            745
        
            Happy Numbers
            675
        
            Intersection
            522
        
            Niven Numbers
            562
        
            Odious Numbers
            754
        
            Pangram Grep
            788
        
            Pascal’s Triangle
            425
        
            Pernicious Numbers
            738
        
            Prime Numbers
            604
        
            Recamán
            670
        
            Sierpiński Triangle
            682
        
            λ
            189
        
            π
            413
        
            φ
            638
        
            √2
            707