12 Days of Christmas
7th
31st
24 Game
21st
99 Bottles of Beer
6th
47th
Abundant Numbers
34th
27th
Abundant Numbers (Long)
16th
28th
Arabic to Roman
24th
Arithmetic Numbers
23rd
Arrows
49th
Ascending Primes
25th
ASCII Table
7th
15th
Billiards
36th
brainfuck
19th
Card Number Validation
39th
Catalan Numbers
1st
Catalan’s Constant
28th
28th
Christmas Trees
4th
17th
Collatz
34th
CSS Colors
13th
Cubes
18th
Day of Week
1st
DFA Simulator
35th
Diamonds
8th
7th
Divisors
1st
Emirp Numbers
31st
44th
Emirp Numbers (Long)
35th
Emojify
46th
Evil Numbers
8th
1st
Evil Numbers (Long)
1st
Factorial Factorisation
26th
Farey Sequence
57th
Fibonacci
6th46th1st
Fizz Buzz
58th
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
29th
Fractions
50th
Game of Life
8th
Gijswijt’s Sequence
45th
Happy Numbers
30th
1st
Happy Numbers (Long)
19th
Hexdump
55th
Hilbert Curve
22nd
Intersection
34th
Inventory Sequence
44th
ISBN
32nd
Jacobi Symbol
30th
Kaprekar Numbers
40th
Kolakoski Constant
27th
27th
Kolakoski Sequence
7th
19th
Leap Years
10th
14th
Levenshtein Distance
72nd
Leyland Numbers
25th
8th
ln 2
80th
Look and Say
20th
21st
Lucky Numbers
21st
Lucky Tickets
47th
Mahjong
13th
Mandelbrot
9th
Maze
20th
Medal Tally
12th
Minesweeper
11th
Morse Decoder
17th
Morse Encoder
3rd
25th
Musical Chords
13th
N Queens
14th
Niven Numbers
29th
39th
Niven Numbers (Long)
38th
Number Spiral
8th
Odious Numbers
10th
1st
Odious Numbers (Long)
1st
Ordinal Numbers
69th
PalindromemordnilaP
9th
Pangram Grep
59th
Partition Numbers
35th
Pascal’s Triangle
1st
Pernicious Numbers
4th
92nd
Pernicious Numbers (Long)
60th
Poker
7th
Polyominoes
26th
Prime Numbers
27th38th80th
Prime Numbers (Long)
50th
Proximity Grid
15th
QR Decoder
12th
Quine
1st
Recamán
25th
59th
Repeating Decimals
22nd
Reverse Polish Notation
52nd41st
Reversi
19th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
23rd
Roman to Arabic
32nd
ROT13
84th
Rule 110
31st
Scrambled Sort
6th
Set
44th
Seven Segment
37th
SI Units
12th
Sierpiński Triangle
4th
17th
Smith Numbers
19th
6th
Spelling Numbers
29th
Star Wars GPT
20th
Star Wars Opening Crawl
15th
Sudoku
2nd
Sudoku (Fill-in)
9th
Ten-pin Bowling
17th
Tic-tac-toe
5th
Time Distance
31st
Tongue-twisters
36th
Topological Sort
25th
Tower of Hanoi
8th
Transpose Sentence
18th
Trinomial Triangle
49th
United States
77th
Vampire Numbers
20th
54th
Van Eck Sequence
23rd
Zeckendorf Representation
25th
Zodiac Signs
19th
γ
45th
λ
43rd
25th
π
55th
40th
τ
42nd
51st
φ
38th
47th
√2
41st
1st
𝑒
49th
1st