12 Days of Christmas
            
                        
                    
                        
                    
                        
                    354
        
            99 Bottles of Beer
            
                        
                    
                        
                    
                        
                    414
        
            Abundant Numbers
            
                        
                    426586721
        
            Abundant Numbers (Long)
            
                        
                    
                        
                    690821
        
            Arithmetic Numbers
            
                        
                    
                        
                    733667
        
            Ascending Primes
            
                        
                    
                        
                    
                        
                    364
        
            ASCII Table
            
                        
                    
                        
                    
                        
                    500
        
            Billiards
            
                        
                    
                        
                    
                        
                    852
        
            Card Number Validation
            
                        
                    
                        
                    
                        
                    489
        
            Catalan Numbers
            
                        
                    
                        
                    
                        
                    786
        
            Collatz
            
                        
                    
                        
                    
                        
                    770
        
            Cubes
            
                        
                    
                        
                    
                        
                    487
        
            Diamonds
            
                        
                    
                        
                    
                        
                    544
        
            Divisors
            
                        
                    
                        
                    
                        
                    871
        
            Emirp Numbers
            
                        
                    
                        
                    
                        
                    350
        
            Emirp Numbers (Long)
            
                        
                    
                        
                    
                        
                    399
        
            Evil Numbers
            
                        
                    
                        
                    
                        
                    889
        
            Evil Numbers (Long)
            
                        
                    
                        
                    
                        
                    872
        
            Factorial Factorisation
            
                        
                    
                        
                    
                        
                    337
        
            Farey Sequence
            
                        
                    
                        
                    
                        
                    408
        
            Fibonacci
            
                        
                    
                        
                    900947
        
            Fizz Buzz
            812
                        
                    717898
        
            Foo Fizz Buzz Bar
            
                        
                    
                        
                    603795
        
            Fractions
            
                        
                    
                        
                    
                        
                    590
        
            Happy Numbers
            
                        
                    
                        
                    
                        
                    505
        
            Happy Numbers (Long)
            
                        
                    
                        
                    
                        
                    616
        
            Inventory Sequence
            
                        
                    
                        
                    
                        
                    729
        
            ISBN
            
                        
                    
                        
                    
                        
                    542
        
            Leap Years
            
                        
                    
                        
                    
                        
                    796
        
            Leyland Numbers
            
                        
                    
                        
                    
                        
                    660
        
            ln 2
            
                        
                    
                        
                    
                        
                    437
        
            Look and Say
            
                        
                    
                        
                    
                        
                    561
        
            Niven Numbers
            
                        
                    
                        
                    
                        
                    786
        
            Niven Numbers (Long)
            
                        
                    
                        
                    
                        
                    909
        
            Number Spiral
            
                        
                    
                        
                    
                        
                    363
        
            Odious Numbers
            
                        
                    
                        
                    
                        
                    870
        
            Odious Numbers (Long)
            
                        
                    
                        
                    
                        
                    854
        
            Ordinal Numbers
            
                        
                    
                        
                    
                        
                    489
        
            Pernicious Numbers
            
                        
                    
                        
                    
                        
                    755
        
            Pernicious Numbers (Long)
            
                        
                    
                        
                    
                        
                    718
        
            Prime Numbers
            
                        
                    
                        
                    524500
        
            Prime Numbers (Long)
            
                        
                    
                        
                    
                        
                    518
        
            Quine
            
                        
                    
                        
                    
                        
                    969
        
            Recamán
            
                        
                    
                        
                    
                        
                    743
        
            ROT13
            
                        
                    
                        
                    
                        
                    536
        
            Rule 110
            
                        
                    
                        
                    
                        
                    378
        
            Seven Segment
            
                        
                    
                        
                    
                        
                    519
        
            Smith Numbers
            
                        
                    
                        
                    
                        
                    365
        
            Tic-tac-toe
            
                        
                    
                        
                    
                        
                    541
        
            Transpose Sentence
            
                        
                    
                        
                    
                        
                    496
        
            Van Eck Sequence
            
                        
                    
                        
                    
                        
                    828
        
            Zeckendorf Representation
            
                        
                    
                        
                    
                        
                    591