12 Days of Christmas
23rd
24 Game
10th
99 Bottles of Beer
7th
Abundant Numbers
6th
Abundant Numbers (Long)
8th
Arabic to Roman
19th
Arithmetic Numbers
10th
Arrows
14th
Ascending Primes
3rd
ASCII Table
1st
Billiards
15th
brainfuck
20th
Card Number Validation
2nd
Catalan Numbers
1st
Catalan’s Constant
9th
Christmas Trees
8th
40th
Collatz
109th83rd
36th
CSS Colors
15th
Cubes
7th
Day of Week
1st
DFA Simulator
10th
Diamonds
24th
Divisors
142nd26th
1st
Emirp Numbers
5th
Emirp Numbers (Long)
17th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
5th
Farey Sequence
1st
Fibonacci
12th1st56th1st66th1st8th
Fizz Buzz
31st38th
1st
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
11th
Fractions
1st
Game of Life
12th
Gijswijt’s Sequence
11th
Happy Numbers
1st
Happy Numbers (Long)
7th
Hexdump
1st
Hilbert Curve
7th
Intersection
18th
Inventory Sequence
18th
ISBN
16th
Jacobi Symbol
11th
Kaprekar Numbers
3rd
Kolakoski Constant
9th
Kolakoski Sequence
19th
Leap Years
7th9th
Levenshtein Distance
1st
Leyland Numbers
8th
ln 2
1st
Look and Say
10th
Lucky Numbers
11th
Lucky Tickets
1st
Mandelbrot
1st
Maze
5th
Medal Tally
24th
Minesweeper
💎
Morse Decoder
7th
Morse Encoder
10th
Musical Chords
8th
N Queens
21st
Niven Numbers
63rd29th
1st
Niven Numbers (Long)
1st
Number Spiral
17th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
PalindromemordnilaP
1st
Pangram Grep
1st
Partition Numbers
2nd
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
154th52nd
1st
9th
Prime Numbers (Long)
1st
Proximity Grid
4th
QR Decoder
17th
Quine
1st
13th
Recamán
24th
Repeating Decimals
1st
Reverse Polish Notation
3rd
Reversi
9th
Rijndael S-box
18th
Rock-paper-scissors-Spock-lizard
15th
Roman to Arabic
1st
ROT13
1st
Rule 110
1st
Scrambled Sort
7th
Set
1st
Seven Segment
8th
Sierpiński Triangle
14th
Smith Numbers
12th
Spelling Numbers
6th
Star Wars GPT
1st
Star Wars Opening Crawl
12th
Tic-tac-toe
10th
Tongue-twisters
11th
Topological Sort
10th
Tower of Hanoi
1st
Transpose Sentence
3rd
Trinomial Triangle
1st
United States
5th
Vampire Numbers
32nd
Van Eck Sequence
1st
Zeckendorf Representation
19th
γ
15th
λ
21st
π
1st
τ
4th
φ
1st
√2
1st
𝑒
1st