12 Days of Christmas
            
                        
                    
                        
                    408
        
            Abundant Numbers
            633
                        
                    721
        
            Arrows
            
                        
                    
                        
                    361
        
            ASCII Table
            
                        
                    
                        
                    590
        
            brainfuck
            402
                        
                    105
        
            Christmas Trees
            527
                        
                    614
        
            Collatz
            771
                        
                    713
        
            Divisors
            750706947
        
            Emirp Numbers
            457
                        
                    369
        
            Emojify
            
                        
                    
                        
                    376
        
            Evil Numbers
            641
                        
                    769
        
            Fibonacci
            900873947
        
            Fizz Buzz
            766
                        
                    757
        
            Fractions
            
                        
                    
                        
                    596
        
            Happy Numbers
            420
                        
                    343
        
            Hexdump
            
                        
                    713
                        
                    
        
            Intersection
            659
                        
                    560
        
            Kolakoski Constant
            
                        
                    
                        
                    472
        
            Kolakoski Sequence
            
                        
                    
                        
                    729
        
            Leap Years
            675
                        
                    741
        
            Leyland Numbers
            
                        
                    
                        
                    713
        
            Look and Say
            
                        
                    
                        
                    600
        
            Morse Encoder
            
                        
                    
                        
                    307
        
            Niven Numbers
            505
                        
                    759
        
            Odious Numbers
            641624800
        
            Pangram Grep
            
                        
                    
                        
                    701
        
            Pascal’s Triangle
            602
                        
                    877
        
            Pernicious Numbers
            370
                        
                    702
        
            Prime Numbers
            662654606
        
            Prime Numbers (Long)
            
                        
                    
                        
                    603
        
            Recamán
            
                        
                    
                        
                    797
        
            Roman to Arabic
            347
                        
                    
                        
                    
        
            Sierpiński Triangle
            81
                        
                    
                        
                    
        
            Smith Numbers
            
                        
                    
                        
                    404
        
            Tongue-twisters
            
                        
                    
                        
                    375
        
            Van Eck Sequence
            
                        
                    
                        
                    707
        
            π
            106
                        
                    
                        
                    
        
            √2
            
                        
                    
                        
                    662
        
            𝑒
            
                        
                    
                        
                    658