12 Days of Christmas
            417349
                        
                    
        
            Christmas Trees
            402
                        
                    
                        
                    
        
            Diamonds
            362389
                        
                    
        
            Divisors
            
                        
                    633
                        
                    
        
            Emirp Numbers
            
                        
                    334
                        
                    
        
            Evil Numbers
            527714
                        
                    
        
            Fibonacci
            584888214
        
            Fizz Buzz
            
                        
                    465
                        
                    
        
            Happy Numbers
            
                        
                    323
                        
                    
        
            Leap Years
            716662
                        
                    
        
            Niven Numbers
            
                        
                    654
                        
                    
        
            Odious Numbers
            562713
                        
                    
        
            Ordinal Numbers
            
                        
                    381
                        
                    
        
            Pangram Grep
            
                        
                    257
                        
                    
        
            Pascal’s Triangle
            314400
                        
                    
        
            Pernicious Numbers
            
                        
                    359
                        
                    
        
            Prime Numbers
            
                        
                    633
                        
                    
        
            Seven Segment
            
                        
                    149
                        
                    
        
            Spelling Numbers