12 Days of Christmas
18th
24 Game
7th
99 Bottles of Beer
21st
Abundant Numbers
18th
Abundant Numbers (Long)
26th
Arabic to Roman
10th
Arithmetic Numbers
16th
Arrows
13th
Ascending Primes
10th
ASCII Table
16th
Billiards
4th
brainfuck
15th
Card Number Validation
11th
Catalan Numbers
15th
Catalan’s Constant
9th
Christmas Trees
16th
Collatz
27th
CSS Colors
8th
Cubes
10th
Day of Week
7th
DFA Simulator
5th
Diamonds
17th
Divisors
20th
Emirp Numbers
21st
Emirp Numbers (Long)
13th
Emojify
23rd
Evil Numbers
33rd
Evil Numbers (Long)
24th
Factorial Factorisation
12th
Farey Sequence
13th
Fibonacci
21st
Fizz Buzz
84th45th361st63rd155th185th19th778th27th1,944th25th
Foo Fizz Buzz Bar
27th
Forsyth–Edwards Notation
10th
Fractions
16th
Game of Life
13th
Gijswijt’s Sequence
7th
Happy Numbers
16th
Happy Numbers (Long)
16th
Hexdump
12th
Hilbert Curve
5th
Intersection
20th
Inventory Sequence
17th
ISBN
21st
Jacobi Symbol
14th
Kaprekar Numbers
11th
Kolakoski Constant
11th
Kolakoski Sequence
23rd
Leap Years
30th
Levenshtein Distance
10th
Leyland Numbers
9th
ln 2
11th
Look and Say
10th
Lucky Numbers
12th
Lucky Tickets
14th
Mahjong
5th
Mandelbrot
9th
Maze
9th
Medal Tally
9th
Morse Decoder
9th
Morse Encoder
11th
Musical Chords
7th
N Queens
11th
Niven Numbers
31st
Niven Numbers (Long)
30th
Number Spiral
19th
Odious Numbers
33rd
Odious Numbers (Long)
20th
Ordinal Numbers
20th
PalindromemordnilaP
8th
Pangram Grep
19th
Partition Numbers
14th
Pascal’s Triangle
18th
Pernicious Numbers
34th
Pernicious Numbers (Long)
23rd
Poker
8th
Polyominoes
8th
Prime Numbers
18th
Prime Numbers (Long)
30th
Proximity Grid
9th
QR Decoder
10th
Quine
16th
Recamán
20th
Repeating Decimals
9th
Reverse Polish Notation
9th
Reversi
10th
Rijndael S-box
12th
Rock-paper-scissors-Spock-lizard
13th
Roman to Arabic
20th
ROT13
8th
Rule 110
21st
Scrambled Sort
5th
Set
7th
Seven Segment
16th
SI Units
6th
Sierpiński Triangle
19th
Smith Numbers
14th
Spelling Numbers
8th
Star Wars GPT
3rd
Star Wars Opening Crawl
6th
Sudoku
8th
Sudoku (Fill-in)
11th
Ten-pin Bowling
12th
Tic-tac-toe
10th
Time Distance
11th
Tongue-twisters
15th
Topological Sort
4th
Transpose Sentence
6th
United States
13th
Vampire Numbers
16th
Van Eck Sequence
14th
Zeckendorf Representation
10th
Zodiac Signs
9th
γ
5th
λ
8th
π
21st
τ
20th
φ
23rd
√2
13th
𝑒
11th