12 Days of Christmas
16th
24 Game
53rd
99 Bottles of Beer
1st1st
Abundant Numbers
49th
Abundant Numbers (Long)
36th
Alphabetic Numbers
21st
Arabic to Roman
23rd
Arithmetic Numbers
12th
Arrows
46th
Ascending Primes
3rd
ASCII Table
16th
Billiards
29th
brainfuck
18th
Calendar
15th1st
Card Number Validation
4th
Catalan Numbers
1st
Catalan’s Constant
59th
Christmas Trees
51st
Collatz
44th
Connect Four
14th
Continued Fractions
1st
CSS Colors
15th
Cubes
23rd
Day of Week
1st
DFA Simulator
22nd
Diamonds
31st
Divisors
171st
1st
Emirp Numbers
25th
Emirp Numbers (Long)
30th
Emojify
30th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
17th
Farey Sequence
1st
Fibonacci
1st62nd
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
13th
Fractions
1st
Game of Life
16th
Gijswijt’s Sequence
29th
Gray Code Decoder
47th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
26th
Hexdump
4th
Hilbert Curve
19th
Intersection
46th
Inventory Sequence
26th
ISBN
24th
Jacobi Symbol
23rd
Kaprekar Numbers
37th
Kolakoski Constant
22nd
Kolakoski Sequence
23rd
Leap Years
8th
Levenshtein Distance
1st
Leyland Numbers
10th
ln 2
1st
Look and Say
28th
Lucky Numbers
1st
Lucky Tickets
62nd
Mahjong
18th
Mandelbrot
35th
Maze
10th
Medal Tally
26th
Minesweeper
11th
Morse Decoder
25th
Morse Encoder
17th
Multitap Input
21st
Musical Chords
24th
N Queens
46th
Nim
8th
Niven Numbers
1st
Niven Numbers (Long)
53rd
Number Spiral
36th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
48th
Pangram Grep
66th
Partition Numbers
47th
Pascal’s Triangle
68th
Pernicious Numbers
83rd
Pernicious Numbers (Long)
1st
Poker
25th
Polyominoes
22nd
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
26th
QR Decoder
12th
Quine
85th
Recamán
1st
Repeating Decimals
33rd
Reverse Polish Notation
49th
Reversi
13th
Rijndael S-box
33rd
Rock-paper-scissors-Spock-lizard
23rd
Roman to Arabic
27th
ROT13
1st
Rule 110
80th
Scrambled Sort
14th
Set
15th
Seven Segment
35th
SI Units
28th
Sierpiński Triangle
39th
Smith Numbers
33rd
Spelling Numbers
16th
Star Wars GPT
1st
Star Wars Opening Crawl
4th
Sudoku
32nd
Sudoku (Fill-in)
11th
Taxicab Numbers
28th
Ten-pin Bowling
23rd
Tic-tac-toe
12th
Time Distance
5th
Tongue-twisters
19th
Topological Sort
26th
Tower of Hanoi
39th
Transpose Sentence
23rd
Trinomial Triangle
39th
Ulam Sequence
16th
United States
17th
Vampire Numbers
8th
Van Eck Sequence
65th
Zeckendorf Representation
55th
Zodiac Signs
15th
γ
26th
λ
41st
π
45th
τ
37th
φ
64th
√2
1st
𝑒
1st