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    UnderKoen (he/him) 🇳🇱

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    📅

    12 Days of Christmas
    660th
    24 Game
    135th
    99 Bottles of Beer
    388th
    Abundant Numbers
    424th
    Abundant Numbers (Long)
    619th
    Arabic to Roman
    437th
    Arithmetic Numbers
    1,412th
    Arrows
    303rd
    Ascending Primes
    429th
    ASCII Table
    163rd
    Billiards
    154th
    brainfuck
    294th
    Card Number Validation
    133rd
    Catalan Numbers
    714th
    Catalan’s Constant
    141st
    Christmas Trees
    2,181st
    Collatz
    1,984th
    CSS Colors
    456th
    Cubes
    64th
    Day of Week
    516th
    DFA Simulator
    204th
    Diamonds
    1,075th
    Divisors
    1,221st
    Emirp Numbers
    366th
    Emirp Numbers (Long)
    435th
    Emojify
    527th
    Evil Numbers
    847th
    Evil Numbers (Long)
    1,071st
    Factorial Factorisation
    108th
    Farey Sequence
    296th
    Fibonacci
    2,464th
    Fizz Buzz
    2,000th
    Foo Fizz Buzz Bar
    1,021st
    Forsyth–Edwards Notation
    446th
    Fractions
    530th
    Game of Life
    158th
    Gijswijt’s Sequence
    139th
    Happy Numbers
    489th
    Happy Numbers (Long)
    844th
    Hexdump
    183rd
    Hilbert Curve
    130th
    Intersection
    185th
    Inventory Sequence
    437th
    ISBN
    233rd
    Jacobi Symbol
    284th
    Kaprekar Numbers
    358th
    Kolakoski Constant
    118th
    Kolakoski Sequence
    823rd
    Leap Years
    579th
    Levenshtein Distance
    532nd
    Leyland Numbers
    453rd
    ln 2
    742nd
    Look and Say
    271st
    Lucky Numbers
    420th
    Lucky Tickets
    244th
    Mahjong
    76th
    Mandelbrot
    477th
    Maze
    139th
    Medal Tally
    126th
    Minesweeper
    129th
    Morse Decoder
    204th
    Morse Encoder
    210th
    Musical Chords
    108th
    N Queens
    Niven Numbers
    1,308th
    Niven Numbers (Long)
    720th
    Number Spiral
    241st
    Odious Numbers
    648th
    Odious Numbers (Long)
    1,071st
    Ordinal Numbers
    3rd
    PalindromemordnilaP
    406th
    Pangram Grep
    213th
    Partition Numbers
    198th
    Pascal’s Triangle
    1,216th
    Pernicious Numbers
    873rd
    Pernicious Numbers (Long)
    955th
    Poker
    108th
    Polyominoes
    134th
    Prime Numbers
    717th
    Prime Numbers (Long)
    2,121st
    Proximity Grid
    153rd
    QR Decoder
    107th
    Quine
    1,690th
    Recamán
    771st
    Repeating Decimals
    162nd
    Reverse Polish Notation
    774th
    Reversi
    206th
    Rijndael S-box
    90th
    Rock-paper-scissors-Spock-lizard
    284th
    Roman to Arabic
    937th
    ROT13
    524th
    Rule 110
    594th
    Scrambled Sort
    310th
    Set
    233rd
    Seven Segment
    371st
    SI Units
    107th
    Sierpiński Triangle
    846th
    Smith Numbers
    910th
    Spelling Numbers
    243rd
    Star Wars GPT
    150th
    Star Wars Opening Crawl
    419th
    Sudoku
    474th
    Sudoku (Fill-in)
    449th
    Ten-pin Bowling
    142nd
    Tic-tac-toe
    216th
    Time Distance
    293rd
    Tongue-twisters
    185th
    Topological Sort
    99th
    Tower of Hanoi
    723rd
    Transpose Sentence
    531st
    Trinomial Triangle
    185th
    United States
    494th
    Vampire Numbers
    634th
    Van Eck Sequence
    541st
    Zeckendorf Representation
    497th
    Zodiac Signs
    477th
    γ
    135th
    λ
    84th
    π
    1,217th
    τ
    927th
    φ
    1,148th
    √2
    1,305th
    𝑒
    1,299th