12 Days of Christmas
            
                        
                    413
                        
                    
        
            99 Bottles of Beer
            
                        
                    282302
        
            Abundant Numbers
            233822345
        
            Arabic to Roman
            
                        
                    
                        
                    157
        
            Christmas Trees
            
                        
                    108102
        
            Cubes
            
                        
                    150
                        
                    
        
            Diamonds
            
                        
                    93100
        
            Divisors
            547799395
        
            Emirp Numbers
            12689211
        
            Evil Numbers
            
                        
                    174463
        
            Fibonacci
            43812094
        
            Fizz Buzz
            
                        
                    750150
        
            Happy Numbers
            141162183
        
            Leap Years
            192195265
        
            Morse Decoder
            
                        
                    75
                        
                    
        
            Morse Encoder
            
                        
                    86
                        
                    
        
            Niven Numbers
            188197257
        
            Odious Numbers
            121174244
        
            Ordinal Numbers
            
                        
                    16380
        
            Pangram Grep
            
                        
                    198
                        
                    
        
            Pascal’s Triangle
            
                        
                    7292
        
            Pernicious Numbers
            
                        
                    6687
        
            Prime Numbers
            15098194
        
            Quine
            
                        
                    525
                        
                    
        
            Rock-paper-scissors-Spock-lizard
            
                        
                    314
                        
                    
        
            Roman to Arabic
            
                        
                    185
                        
                    
        
            Rule 110
            
                        
                    
                        
                    84
        
            Seven Segment
            
                        
                    237158
        
            Sierpiński Triangle
            
                        
                    73