12 Days of Christmas
7th
30th
24 Game
20th
99 Bottles of Beer
6th
47th
Abundant Numbers
34th
27th
Abundant Numbers (Long)
16th
28th
Arabic to Roman
23rd
Arithmetic Numbers
23rd
Arrows
46th
Ascending Primes
30th
ASCII Table
7th
15th
Billiards
53rd
brainfuck
17th
Card Number Validation
38th
Catalan Numbers
1st
Catalan’s Constant
28th
26th
Christmas Trees
4th
17th
Collatz
33rd
CSS Colors
13th
Cubes
18th
Day of Week
1st
DFA Simulator
35th
Diamonds
8th
6th
Divisors
1st
Emirp Numbers
30th
40th
Emirp Numbers (Long)
35th
Emojify
44th
Evil Numbers
8th
1st
Evil Numbers (Long)
1st
Factorial Factorisation
23rd
Farey Sequence
55th
Fibonacci
6th46th1st
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
29th
Fractions
48th
Game of Life
8th
Gijswijt’s Sequence
40th
Happy Numbers
30th
1st
Happy Numbers (Long)
18th
Hexdump
52nd
Hilbert Curve
19th
Intersection
32nd
Inventory Sequence
44th
ISBN
30th
Jacobi Symbol
28th
Kaprekar Numbers
37th
Kolakoski Constant
26th
26th
Kolakoski Sequence
7th
19th
Leap Years
10th
14th
Levenshtein Distance
71st
Leyland Numbers
25th
7th
ln 2
76th
Look and Say
19th
21st
Lucky Numbers
20th
Lucky Tickets
35th
Mahjong
13th
Mandelbrot
9th
Maze
19th
Medal Tally
12th
Minesweeper
9th
Morse Decoder
17th
Morse Encoder
3rd
25th
Musical Chords
13th
N Queens
13th
Niven Numbers
29th
36th
Niven Numbers (Long)
37th
Number Spiral
8th
Odious Numbers
10th
1st
Odious Numbers (Long)
1st
Ordinal Numbers
68th
PalindromemordnilaP
6th
Pangram Grep
54th
Partition Numbers
34th
Pascal’s Triangle
1st
Pernicious Numbers
4th
89th
Pernicious Numbers (Long)
58th
Poker
7th
Polyominoes
25th
Prime Numbers
26th38th76th
Prime Numbers (Long)
49th
Proximity Grid
15th
QR Decoder
12th
Quine
1st
Recamán
25th
57th
Repeating Decimals
21st
Reverse Polish Notation
52nd41st
Reversi
19th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
23rd
Roman to Arabic
32nd
ROT13
82nd
Rule 110
31st
Scrambled Sort
6th
Set
41st
Seven Segment
36th
SI Units
11th
Sierpiński Triangle
4th
16th
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
30th
Tongue-twisters
34th
Topological Sort
24th
Transpose Sentence
18th
Trinomial Triangle
45th
United States
77th
Vampire Numbers
20th
54th
Van Eck Sequence
21st
Zeckendorf Representation
25th
Zodiac Signs
19th
γ
43rd
λ
43rd
24th
π
54th
39th
τ
42nd
50th
φ
38th
46th
√2
41st
1st
𝑒
48th
1st