12 Days of Christmas
            
                        
                    351st
                        
                    
        
            99 Bottles of Beer
            
                        
                    463rd68th
        
            Abundant Numbers
            33rd58th63rd
        
            Arabic to Roman
            
                        
                    
                        
                    36th
        
            Christmas Trees
            
                        
                    290th68th
        
            Cubes
            
                        
                    100th
                        
                    
        
            Diamonds
            
                        
                    158th34th
        
            Divisors
            48th217th123rd
        
            Emirp Numbers
            31st250th69th
        
            Evil Numbers
            
                        
                    440th100th
        
            Fibonacci
            129th849th232nd
        
            Fizz Buzz
            
                        
                    1,163rd393rd
        
            Happy Numbers
            36th228th61st
        
            Leap Years
            58th467th125th
        
            Morse Decoder
            
                        
                    88th
                        
                    
        
            Morse Encoder
            
                        
                    101st
                        
                    
        
            Niven Numbers
            61st357th82nd
        
            Odious Numbers
            43rd336th94th
        
            Ordinal Numbers
            
                        
                    204th31st
        
            Pangram Grep
            
                        
                    224th
                        
                    
        
            Pascal’s Triangle
            
                        
                    214th48th
        
            Pernicious Numbers
            
                        
                    198th63rd
        
            Prime Numbers
            70th458th137th
        
            Quine
            
                        
                    354th
                        
                    
        
            Rock-paper-scissors-Spock-lizard
            
                        
                    121st
                        
                    
        
            Roman to Arabic
            
                        
                    135th
                        
                    
        
            Rule 110
            
                        
                    
                        
                    13th
        
            Seven Segment
            
                        
                    135th35th
        
            Sierpiński Triangle
            
                        
                    140th