12 Days of Christmas
            
                        
                    
                        
                    358
                        
                    
        
            99 Bottles of Beer
            
                        
                    
                        
                    346
                        
                    
        
            Abundant Numbers
            
                        
                    
                        
                    679
                        
                    
        
            Abundant Numbers (Long)
            
                        
                    
                        
                    745
                        
                    
        
            Arithmetic Numbers
            
                        
                    
                        
                    577
                        
                    
        
            Arrows
            
                        
                    
                        
                    378
                        
                    
        
            Ascending Primes
            
                        
                    
                        
                    378
                        
                    
        
            Billiards
            
                        
                    
                        
                    258
                        
                    
        
            brainfuck
            
                        
                    
                        
                    281
                        
                    
        
            Card Number Validation
            
                        
                    
                        
                    430
                        
                    
        
            Collatz
            417571614
                        
                    
        
            CSS Colors
            
                        
                    
                        
                    75
                        
                    
        
            Day of Week
            
                        
                    
                        
                    648
                        
                    
        
            DFA Simulator
            
                        
                    
                        
                    398
                        
                    
        
            Divisors
            
                        
                    
                        
                    831
                        
                    
        
            Emirp Numbers
            
                        
                    
                        
                    429
                        
                    
        
            Emirp Numbers (Long)
            
                        
                    
                        
                    482
                        
                    
        
            Emojify
            
                        
                    
                        
                    268
                        
                    
        
            Evil Numbers
            340
                        
                    802
                        
                    
        
            Evil Numbers (Long)
            332
                        
                    784
                        
                    
        
            Factorial Factorisation
            
                        
                    
                        
                    76
                        
                    
        
            Fibonacci
            
                        
                    
                        
                    696
                        
                    
        
            Fizz Buzz
            
                        
                    
                        
                    578
                        
                    
        
            Foo Fizz Buzz Bar
            
                        
                    
                        
                    551
                        
                    
        
            Forsyth–Edwards Notation
            
                        
                    
                        
                    395
                        
                    
        
            Fractions
            
                        
                    
                        
                    542
                        
                    
        
            Game of Life
            
                        
                    
                        
                    249
                        
                    
        
            Happy Numbers
            
                        
                    
                        
                    440
                        
                    
        
            Happy Numbers (Long)
            
                        
                    
                        
                    467
                        
                    
        
            Hexdump
            
                        
                    
                        
                    327
                        
                    
        
            Hilbert Curve
            
                        
                    
                        
                    60
                        
                    
        
            Intersection
            
                        
                    
                        
                    467
                        
                    
        
            Inventory Sequence
            
                        
                    
                        
                    483
                        
                    
        
            ISBN
            
                        
                    
                        
                    396
                        
                    
        
            Kaprekar Numbers
            
                        
                    
                        
                    265
                        
                    
        
            Leap Years
            
                        
                    
                        
                    642
                        
                    
        
            Leyland Numbers
            
                        
                    
                        
                    657
                        
                    
        
            ln 2
            
                        
                    
                        
                    656
                        
                    
        
            Look and Say
            
                        
                    
                        
                    366
                        
                    
        
            Lucky Numbers
            
                        
                    
                        
                    544
                        
                    
        
            Mandelbrot
            
                        
                    
                        
                    335
                        
                    
        
            Maze
            
                        
                    
                        
                    168
                        
                    
        
            Morse Decoder
            
                        
                    
                        
                    384
                        
                    
        
            Morse Encoder
            
                        
                    
                        
                    178
                        
                    
        
            N Queens
            
                        
                    
                        
                    209
                        
                    
        
            Niven Numbers
            
                        
                    
                        
                    708
                        
                    
        
            Niven Numbers (Long)
            
                        
                    
                        
                    774
                        
                    
        
            Odious Numbers
            
                        
                    
                        
                    816
                        
                    
        
            Odious Numbers (Long)
            
                        
                    
                        
                    798
                        
                    
        
            Ordinal Numbers
            
                        
                    
                        
                    480
                        
                    
        
            PalindromemordnilaP
            
                        
                    
                        
                    685
                        
                    
        
            Pangram Grep
            
                        
                    
                        
                    646
                        
                    
        
            Partition Numbers
            
                        
                    
                        
                    203
                        
                    
        
            Pascal’s Triangle
            
                        
                    
                        
                    668
                        
                    
        
            Pernicious Numbers
            
                        
                    
                        
                    383
                        
                    
        
            Pernicious Numbers (Long)
            
                        
                    
                        
                    473
                        
                    
        
            Polyominoes
            
                        
                    
                        
                    176
                        
                    
        
            Prime Numbers
            
                        
                    
                        
                    561
                        
                    
        
            Prime Numbers (Long)
            
                        
                    
                        
                    595
                        
                    
        
            Proximity Grid
            
                        
                    
                        
                    204
                        
                    
        
            Quine
            
                        
                    
                        
                    915
                        
                    
        
            Recamán
            
                        
                    
                        
                    538
                        
                    
        
            Reverse Polish Notation
            
                        
                    
                        
                    444
                        
                    
        
            Reversi
            
                        
                    
                        
                    232
                        
                    
        
            Rijndael S-box
            
                        
                    
                        
                    125
                        
                    
        
            Rock-paper-scissors-Spock-lizard
            
                        
                    
                        
                    362
                        
                    
        
            ROT13
            
                        
                    
                        
                    429
                        
                    
        
            Rule 110
            
                        
                    
                        
                    376
                        
                    
        
            Scrambled Sort
            
                        
                    
                        
                    262
                        
                    
        
            Set
            
                        
                    
                        
                    502
                        
                    
        
            Seven Segment
            
                        
                    
                        
                    423
                        
                    
        
            Smith Numbers
            
                        
                    
                        
                    355
                        
                    
        
            Star Wars GPT
            
                        
                    
                        
                    238
                        
                    
        
            Sudoku
            
                        
                    
                        
                    133
                        
                    
        
            Sudoku (Fill-in)
            
                        
                    
                        
                    83
                        
                    
        
            Tic-tac-toe
            
                        
                    
                        
                    410
                        
                    
        
            Time Distance
            
                        
                    
                        
                    322
                        
                    
        
            Tongue-twisters
            
                        
                    
                        
                    283
                        
                    
        
            Topological Sort
            
                        
                    
                        
                    260
                        
                    
        
            Transpose Sentence
            
                        
                    
                        
                    467
                        
                    
        
            Trinomial Triangle
            
                        
                    
                        
                    646
                        
                    
        
            United States
            
                        
                    
                        
                    87
                        
                    
        
            Vampire Numbers
            
                        
                    
                        
                    313
                        
                    
        
            Van Eck Sequence
            
                        
                    
                        
                    474
                        
                    
        
            Zeckendorf Representation
            
                        
                    
                        
                    352
                        
                    
        
            γ
            
                        
                    
                        
                    62
                        
                    
        
            λ
            
                        
                    
                        
                    100
                        
                    
        
            π
            
                        
                    
                        
                    218
                        
                    
        
            τ
            
                        
                    
                        
                    173
                        
                    
        
            φ
            
                        
                    
                        
                    50
                        
                    
        
            √2
            
                        
                    
                        
                    694
                        
                    
        
            𝑒
            
                        
                    
                        
                    4666