duckyluuk

12 Days of Christmas

18^th 51^st 59^th 5^th

24 Game

11^th 19^th 💎

99 Bottles of Beer

17^th 82^nd 3^rd

Abundant Numbers

15^th 80^th 1^st

Abundant Numbers (Long)

16^th 59^th 4^th

Arabic to Roman

24^th 23^rd 6^th 85^th 2^nd

Arithmetic Numbers

13^th 17^th 1^st

Arrows

13^th 27^th 4^th

Ascending Primes

15^th 28^th 3^rd

ASCII Table

12^th 29^th 4^th

Billiards

26^th

brainfuck

7^th 12^th 34^th 3^rd

Card Number Validation

7^th 1^st 13^th 💎

Catalan Numbers

1^st 1^st 6^th

Catalan’s Constant

14^th 1^st 47^th 3^rd

Christmas Trees

7^th 22^nd 32^nd 2^nd

Collatz

26^th 58^th 7^th 90^th 3^rd

CSS Colors

21^st 1^st 22^nd 2^nd

Cubes

12^th 32^nd 3^rd

Day of Week

27^th 1^st 1^st 64^th 2^nd

DFA Simulator

8^th 14^th 💎 7^th 💎

Diamonds

13^th 25^th 💎

Divisors

1^st 155^th 1^st 1^st 3^rd

Emirp Numbers

19^th 7^th 34^th 3^rd

Emirp Numbers (Long)

16^th 38^th 3^rd

Emojify

9^th 21^st 1^st

Evil Numbers

4^th 59^th 9^th 1^st 3^rd

Evil Numbers (Long)

16^th 38^th 8^th 32^nd 4^th

Factorial Factorisation

7^th 17^th 16^th 4^th

Farey Sequence

17^th 19^th 4^th 24^th 💎

Fibonacci

11^th 7^th 8^th 36^th 18^th 3^rd 21^st 1^st 23^rd 27^th 1^st 6^th 1^st 12^th 45^th 1^st 1^st 7^th 35^th

Fizz Buzz

1^st 1^st 1^st 7^th 1^st 5^th

Foo Fizz Buzz Bar

1^st 31^st 1^st 4^th

Forsyth–Edwards Notation

10^th 5^th 19^th 💎

Fractions

1^st 1^st 1^st 4^th 1^st

Game of Life

6^th 16^th 4^th 14^th 💎

Gijswijt’s Sequence

9^th 19^th 2^nd

Happy Numbers

7^th 7^th 1^st 2^nd

Happy Numbers (Long)

14^th 33^rd 5^th

Hexdump

23^rd 64^th 2^nd

Intersection

16^th 21^st 26^th 2^nd

Inventory Sequence

17^th 9^th 34^th 💎

ISBN

8^th 28^th 16^th 4^th

Jacobi Symbol

16^th 48^th 2^nd

Kaprekar Numbers

9^th 23^rd 32^nd 💎

Kolakoski Constant

13^th 3^rd 36^th 3^rd

Kolakoski Sequence

6^th 35^th 5^th 16^th 1^st

Leap Years

25^th 199^th 92^nd 4^th

Levenshtein Distance

17^th 30^th 💎

Leyland Numbers

20^th 6^th 2^nd

ln 2

1^st 1^st 4^th

Look and Say

9^th 13^th 1^st 9^th 54^th 💎

Lucky Numbers

18^th 39^th 3^rd

Lucky Tickets

16^th 35^th

Mahjong

13^th 21^st

Maze

12^th 30^th

Medal Tally

5^th 25^th 5^th 1^st 2^nd

Morse Decoder

8^th 11^th 2^nd

Morse Encoder

7^th 15^th 2^nd

Musical Chords

11^th 26^th 💎

N Queens

5^th 12^th 10^th 1^st

Niven Numbers

24^th 1^st 31^st 1^st

Niven Numbers (Long)

15^th 14^th 32^nd 2^nd

Number Spiral

8^th 8^th 2^nd

Odious Numbers

3^rd 48^th 8^th 1^st 4^th

Odious Numbers (Long)

4^th 34^th 9^th 1^st 4^th

Ordinal Numbers

21^st 4^th 4^th

PalindromemordnilaP

6^th 17^th 5^th 13^th 💎

Pangram Grep

17^th 39^th 41^st 4^th

Pascal’s Triangle

25^th 37^th 103^rd 4^th

Pernicious Numbers

30^th 73^rd 4^th

Pernicious Numbers (Long)

12^th 1^st 4^th

Poker

6^th 11^th 💎

Polyominoes

9^th 19^th 💎

Prime Numbers

26^th 74^th 75^th 11^th 40^th 1^st

Prime Numbers (Long)

18^th 59^th 34^th 11^th 41^st 1^st

Proximity Grid

14^th 25^th

QR Decoder

12^th 23^rd

Quine

1^st 1^st 25^th 26^th 177^th 19^th 1^st 1^st 55^th 1^st

Recamán

12^th 32^nd 20^th 4^th

Repeating Decimals

18^th 53^rd 💎

Reverse Polish Notation

18^th 47^th 53^rd 4^th

Reversi

10^th 19^th

Rijndael S-box

14^th 32^nd 💎

Rock-paper-scissors-Spock-lizard

14^th 42^nd 💎

Roman to Arabic

7^th 23^rd 1^st 💎

Rule 110

21^st 57^th 3^rd

Seven Segment

17^th 40^th 2^nd

SI Units

12^th 27^th

Sierpiński Triangle

12^th 18^th 40^th 2^nd

Smith Numbers

9^th 29^th 3^rd

Spelling Numbers

18^th 72^nd 45^th 💎

Star Wars Opening Crawl

14^th 33^rd 💎

Sudoku

10^th 22^nd

Sudoku (Fill-in)

11^th 26^th

Ten-pin Bowling

12^th 31^st

Time Distance

13^th 13^th 💎

Tongue-twisters

8^th 16^th 5^th

Transpose Sentence

11^th 3^rd 15^th 1^st

United States

9^th 3^rd 31^st 2^nd

Vampire Numbers

11^th 17^th 3^rd

Van Eck Sequence

7^th 23^rd 1^st 3^rd

Zeckendorf Representation

2^nd 18^th 1^st 5^th

Zodiac Signs

15^th 27^th 💎

12^th 1^st 3^rd 28^th 💎

15^th 1^st 49^th 💎

5^th 7^th 11^th 1^st 5^th 9^th 2^nd

4^th 7^th 11^th 55^th 4^th 6^th 2^nd

20^th 13^th 38^th 42^nd 4^th

√2

1^st 32^nd 11^th 1^st 💎

𝑒

1^st 1^st 7^th 1^st 3^rd

duckyluuk (he/him) 🇳🇱

Holes Authored