12 Days of Christmas
            
                        
                    16th
                        
                    
                        
                    
        
            Abundant Numbers
            
                        
                    6th
                        
                    
                        
                    
        
            Abundant Numbers (Long)
            
                        
                    5th
                        
                    
                        
                    
        
            Arithmetic Numbers
            
                        
                    13th
                        
                    
                        
                    
        
            Ascending Primes
            
                        
                    15th
                        
                    
                        
                    
        
            ASCII Table
            
                        
                    9th
                        
                    
                        
                    
        
            brainfuck
            
                        
                    3rd
                        
                    
                        
                    
        
            Card Number Validation
            
                        
                    6th
                        
                    
                        
                    
        
            Catalan Numbers
            
                        
                    12th
                        
                    
                        
                    
        
            Christmas Trees
            
                        
                    38th
                        
                    
                        
                    
        
            Collatz
            22nd1st
                        
                    
                        
                    
        
            Day of Week
            
                        
                    13th
                        
                    
                        
                    
        
            DFA Simulator
            
                        
                    5th
                        
                    
                        
                    
        
            Divisors
            24th12th92nd855th
        
            Emirp Numbers
            
                        
                    16th
                        
                    
                        
                    
        
            Emirp Numbers (Long)
            
                        
                    6th
                        
                    
                        
                    
        
            Evil Numbers
            
                        
                    32nd
                        
                    
                        
                    
        
            Evil Numbers (Long)
            
                        
                    31st
                        
                    
                        
                    
        
            Factorial Factorisation
            
                        
                    7th
                        
                    
                        
                    
        
            Farey Sequence
            
                        
                    20th
                        
                    
                        
                    
        
            Fibonacci
            224th1st1st
                        
                    
        
            Fizz Buzz
            162nd48th
                        
                    
                        
                    
        
            Foo Fizz Buzz Bar
            
                        
                    5th
                        
                    
                        
                    
        
            Fractions
            
                        
                    8th
                        
                    
                        
                    
        
            Game of Life
            
                        
                    14th
                        
                    
                        
                    
        
            Gijswijt’s Sequence
            
                        
                    4th
                        
                    
                        
                    
        
            Happy Numbers
            
                        
                    25th
                        
                    
                        
                    
        
            Happy Numbers (Long)
            
                        
                    10th
                        
                    
                        
                    
        
            Hilbert Curve
            
                        
                    4th
                        
                    
                        
                    
        
            Inventory Sequence
            
                        
                    💎10th
                        
                    
        
            ISBN
            
                        
                    3rd
                        
                    
                        
                    
        
            Kaprekar Numbers
            
                        
                    7th
                        
                    
                        
                    
        
            Kolakoski Sequence
            
                        
                    15th
                        
                    
                        
                    
        
            Leap Years
            
                        
                    3rd
                        
                    
                        
                    
        
            Levenshtein Distance
            
                        
                    6th
                        
                    
                        
                    
        
            Leyland Numbers
            
                        
                    11th
                        
                    
                        
                    
        
            ln 2
            
                        
                    19th
                        
                    
                        
                    
        
            Look and Say
            
                        
                    4th
                        
                    
                        
                    
        
            Lucky Numbers
            
                        
                    15th
                        
                    
                        
                    
        
            Lucky Tickets
            
                        
                    5th
                        
                    
                        
                    
        
            Mandelbrot
            
                        
                    9th
                        
                    
                        
                    
        
            Maze
            
                        
                    13th
                        
                    
                        
                    
        
            N Queens
            
                        
                    💎
                        
                    
                        
                    
        
            Niven Numbers
            
                        
                    17th
                        
                    
                        
                    
        
            Niven Numbers (Long)
            
                        
                    8th
                        
                    
                        
                    
        
            Number Spiral
            
                        
                    3rd
                        
                    
                        
                    
        
            Odious Numbers
            
                        
                    41st32nd
                        
                    
        
            Odious Numbers (Long)
            
                        
                    25th21st
                        
                    
        
            Ordinal Numbers
            
                        
                    6th
                        
                    
                        
                    
        
            PalindromemordnilaP
            
                        
                    5th
                        
                    
                        
                    
        
            Pangram Grep
            
                        
                    4th
                        
                    
                        
                    
        
            Partition Numbers
            
                        
                    7th
                        
                    
                        
                    
        
            Pascal’s Triangle
            
                        
                    8th
                        
                    
                        
                    
        
            Pernicious Numbers
            
                        
                    36th
                        
                    
                        
                    
        
            Pernicious Numbers (Long)
            
                        
                    8th
                        
                    
                        
                    
        
            Polyominoes
            
                        
                    2nd
                        
                    
                        
                    
        
            Prime Numbers
            
                        
                    9th
                        
                    
                        
                    
        
            Prime Numbers (Long)
            
                        
                    3rd
                        
                    
                        
                    
        
            Proximity Grid
            
                        
                    3rd
                        
                    
                        
                    
        
            Quine
            102nd26th102nd726th
        
            Recamán
            
                        
                    11th
                        
                    
                        
                    
        
            Repeating Decimals
            7th3rd
                        
                    
                        
                    
        
            Reverse Polish Notation
            
                        
                    5th
                        
                    
                        
                    
        
            Rijndael S-box
            
                        
                    10th
                        
                    
                        
                    
        
            Roman to Arabic
            
                        
                    14th
                        
                    
                        
                    
        
            ROT13
            
                        
                    5th
                        
                    
                        
                    
        
            Scrambled Sort
            
                        
                    💎
                        
                    66th
        
            Set
            
                        
                    4th
                        
                    
                        
                    
        
            Seven Segment
            
                        
                    14th
                        
                    
                        
                    
        
            Sierpiński Triangle
            
                        
                    11th
                        
                    
                        
                    
        
            Smith Numbers
            
                        
                    8th
                        
                    
                        
                    
        
            Spelling Numbers
            
                        
                    8th
                        
                    
                        
                    
        
            Star Wars GPT
            
                        
                    3rd
                        
                    
                        
                    
        
            Star Wars Opening Crawl
            
                        
                    5th
                        
                    
                        
                    
        
            Tic-tac-toe
            
                        
                    2nd
                        
                    
                        
                    
        
            Topological Sort
            4th💎
                        
                    
                        
                    
        
            Transpose Sentence
            
                        
                    5th
                        
                    
                        
                    
        
            Trinomial Triangle
            6th4th
                        
                    
                        
                    
        
            United States
            
                        
                    17th
                        
                    
                        
                    
        
            Vampire Numbers
            
                        
                    8th
                        
                    
                        
                    
        
            Van Eck Sequence
            
                        
                    5th
                        
                    
                        
                    
        
            Zeckendorf Representation
            
                        
                    2nd
                        
                    
                        
                    
        
            π
            
                        
                    25th