12 Days of Christmas
39th
24 Game
4th
4th
99 Bottles of Beer
27th
Abundant Numbers
18th
19th
12th
Abundant Numbers (Long)
19th
18th
14th
Arabic to Roman
15th
Arithmetic Numbers
11th
31st
Arrows
23rd
Ascending Primes
17th
ASCII Table
21st
Billiards
9th
brainfuck
18th
Card Number Validation
12th
Catalan Numbers
8th21st
1st
Catalan’s Constant
16th
Christmas Trees
78th
Collatz
14th
5th
CSS Colors
21st
Cubes
17th
Day of Week
1st
DFA Simulator
32nd
Diamonds
39th
Divisors
5th
19th
1st
Emirp Numbers
14th
Emirp Numbers (Long)
6th
Emojify
18th
Evil Numbers
155th
8th
26th
1st
85th
Evil Numbers (Long)
94th
8th
25th
1st
Factorial Factorisation
19th
Farey Sequence
19th
Fibonacci
34th
16th
30th
212th
1st
90th85th
Fizz Buzz
11th32nd
13th
18th
21st
Foo Fizz Buzz Bar
10th
23rd
18th
Forsyth–Edwards Notation
16th
Fractions
44th
80th
Game of Life
25th
Gijswijt’s Sequence
14th
Happy Numbers
1st
7th
1st
Happy Numbers (Long)
7th
18th
Hexdump
22nd
Hilbert Curve
8th
Intersection
2nd
24th
Inventory Sequence
23rd
ISBN
16th
Jacobi Symbol
27th
Kaprekar Numbers
12th
Kolakoski Constant
11th
Kolakoski Sequence
13th
Leap Years
12th
17th
7th16th
Levenshtein Distance
3rd
1st
Leyland Numbers
1st
1st
ln 2
9th
1st
Look and Say
11th
Lucky Numbers
12th
Lucky Tickets
18th
Mahjong
9th
Mandelbrot
13th
Maze
6th
Medal Tally
18th
Minesweeper
5th
Morse Decoder
15th
Morse Encoder
31st
Musical Chords
20th
N Queens
12th
Niven Numbers
28th
31st
1st
Niven Numbers (Long)
26th
36th
Number Spiral
16th
Odious Numbers
128th
9th
21st
1st
Odious Numbers (Long)
78th
9th
26th
1st
Ordinal Numbers
3rd
PalindromemordnilaP
22nd
6th
Pangram Grep
12th11th75th32nd35th26th
25th
84th15th13th25th
29th4th17th
Partition Numbers
18th
Pascal’s Triangle
43rd
Pernicious Numbers
20th
1st
Pernicious Numbers (Long)
16th
1st
Poker
12th
Polyominoes
11th
Prime Numbers
46th25th
14th40th
1st
12th
Prime Numbers (Long)
13th
24th
1st
Proximity Grid
16th
QR Decoder
15th
Quine
1st
1st
21st
1st
82nd91st
Recamán
8th
20th
Repeating Decimals
18th
Reverse Polish Notation
1st
32nd
Reversi
20th
Rijndael S-box
12th
Rock-paper-scissors-Spock-lizard
11th
Roman to Arabic
10th
20th
ROT13
4th
1st
33rd
Rule 110
20th
Scrambled Sort
17th
Set
20th
15th
Seven Segment
47th
SI Units
11th
Sierpiński Triangle
44th
Smith Numbers
26th
Spelling Numbers
22nd
Star Wars GPT
16th
Star Wars Opening Crawl
19th
Sudoku
20th
Sudoku (Fill-in)
18th
Ten-pin Bowling
17th
Tic-tac-toe
14th
Time Distance
24th
Tongue-twisters
67th
6th
Topological Sort
7th
Tower of Hanoi
6th
Transpose Sentence
1st
22nd
Trinomial Triangle
5th
12th
United States
30th
Vampire Numbers
28th
Van Eck Sequence
30th
Zeckendorf Representation
17th
Zodiac Signs
22nd
γ
21st
λ
28th
π
2nd
9th
11th
τ
2nd
8th
φ
14th
12th
1st
√2
1st
𝑒
1st