12 Days of Christmas
5th
24 Game
19th
99 Bottles of Beer
5th
Abundant Numbers
8th
Abundant Numbers (Long)
28th
Arabic to Roman
8th
Arithmetic Numbers
23rd
Arrows
16th
Ascending Primes
21st
ASCII Table
13th
Billiards
8th
brainfuck
7th
Card Number Validation
13th
Catalan Numbers
1st
Catalan’s Constant
33rd
Christmas Trees
4th
Collatz
109th
CSS Colors
6th
Cubes
2nd
Day of Week
1st
DFA Simulator
10th
Diamonds
45th
Divisors
1st
Emirp Numbers
12th
Emirp Numbers (Long)
7th
Emojify
28th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
18th
Farey Sequence
27th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
14th
Fractions
1st
Game of Life
17th
Gijswijt’s Sequence
11th
Happy Numbers
1st
Happy Numbers (Long)
31st
Hexdump
1st
Hilbert Curve
5th
Intersection
34th
Inventory Sequence
27th
ISBN
20th
Jacobi Symbol
12th
Kaprekar Numbers
3rd
Kolakoski Constant
25th
Kolakoski Sequence
19th
Leap Years
14th
Levenshtein Distance
1st
Leyland Numbers
1st
ln 2
1st
Look and Say
7th
Lucky Numbers
11th
Lucky Tickets
55th
Mahjong
8th
Mandelbrot
9th
Maze
33rd
Medal Tally
20th
Minesweeper
16th
Morse Decoder
13th
Morse Encoder
11th
Musical Chords
11th
N Queens
24th
Niven Numbers
1st
Niven Numbers (Long)
20th
Number Spiral
28th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
PalindromemordnilaP
Pangram Grep
25th
Partition Numbers
2nd
Pascal’s Triangle
1st
Pernicious Numbers
75th
Pernicious Numbers (Long)
1st
Poker
4th
Polyominoes
10th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
5th
QR Decoder
15th
Quine
1st
Recamán
59th
Repeating Decimals
1st
Reverse Polish Notation
23rd
Reversi
31st
Rijndael S-box
14th
Rock-paper-scissors-Spock-lizard
9th
Roman to Arabic
24th
ROT13
1st
Rule 110
12th
Scrambled Sort
6th
Set
10th
Seven Segment
1st
SI Units
5th
Sierpiński Triangle
17th
Smith Numbers
13th
Spelling Numbers
18th
Star Wars GPT
20th
Star Wars Opening Crawl
9th
Sudoku
8th
Sudoku (Fill-in)
11th
Ten-pin Bowling
24th
Tic-tac-toe
16th
Time Distance
22nd
Tongue-twisters
8th
Topological Sort
21st
Tower of Hanoi
16th
Transpose Sentence
18th
Trinomial Triangle
19th
United States
49th
Vampire Numbers
8th
Van Eck Sequence
23rd
Zeckendorf Representation
5th
Zodiac Signs
16th
γ
17th
λ
8th
π
15th
τ
10th
φ
1st
√2
1st
𝑒
1st