12 Days of Christmas
23rd
24 Game
99 Bottles of Beer
32nd
Abundant Numbers
22nd
Abundant Numbers (Long)
21st
Arabic to Roman
45th
Arithmetic Numbers
27th
Arrows
36th
Ascending Primes
27th
ASCII Table
39th
Billiards
21st
brainfuck
30th
Card Number Validation
24th
Catalan Numbers
53rd
Catalan’s Constant
26th
Christmas Trees
84th
Collatz
44th
CSS Colors
2nd
Cubes
38th
Day of Week
103rd
31st
DFA Simulator
20th
Diamonds
52nd
29th
Divisors
53rd
Emirp Numbers
42nd
Emirp Numbers (Long)
23rd
Emojify
24th
Evil Numbers
83rd
Evil Numbers (Long)
52nd
Factorial Factorisation
32nd
Farey Sequence
37th
Fibonacci
11th
Fizz Buzz
1st
Foo Fizz Buzz Bar
18th
Forsyth–Edwards Notation
34th
Fractions
1st
Game of Life
16th
Gijswijt’s Sequence
32nd
Happy Numbers
41st
Happy Numbers (Long)
57th
Hexdump
31st
Hilbert Curve
20th
Intersection
37th
Inventory Sequence
36th
ISBN
29th
Jacobi Symbol
24th
Kaprekar Numbers
22nd
Kolakoski Constant
38th
Kolakoski Sequence
46th
Leap Years
35th
Levenshtein Distance
1st
Leyland Numbers
30th
ln 2
24th
Look and Say
52nd
Lucky Numbers
40th
Lucky Tickets
32nd
Mahjong
16th
Mandelbrot
20th
Maze
24th
Medal Tally
16th
Morse Decoder
28th
Morse Encoder
31st
Musical Chords
24th
N Queens
17th
Niven Numbers
52nd
Niven Numbers (Long)
1st
Number Spiral
25th
Odious Numbers
70th
Odious Numbers (Long)
44th
Ordinal Numbers
23rd
PalindromemordnilaP
28th
Pangram Grep
5th
Partition Numbers
7th31st
Pascal’s Triangle
83rd
Pernicious Numbers
64th
Pernicious Numbers (Long)
39th
Poker
20th
Polyominoes
17th
Prime Numbers
28th
Prime Numbers (Long)
1st
Proximity Grid
24th
QR Decoder
15th
Quine
Recamán
47th
Repeating Decimals
24th
Reverse Polish Notation
17th
Reversi
25th
Rijndael S-box
25th
Rock-paper-scissors-Spock-lizard
43rd
Roman to Arabic
48th
ROT13
7th1st11th1st1st3rd
Rule 110
49th
Scrambled Sort
3rd
Set
19th
Seven Segment
20th
SI Units
18th
Sierpiński Triangle
35th
Smith Numbers
31st
Spelling Numbers
19th
Star Wars GPT
18th
Star Wars Opening Crawl
30th
Sudoku
22nd
Sudoku (Fill-in)
26th
Ten-pin Bowling
30th
Tic-tac-toe
32nd
Time Distance
24th
Tongue-twisters
44th
Topological Sort
21st
Tower of Hanoi
31st
Transpose Sentence
30th
Trinomial Triangle
32nd
United States
26th
Vampire Numbers
34th
Van Eck Sequence
34th
Zeckendorf Representation
23rd
Zodiac Signs
19th
γ
17th
λ
20th
π
33rd
τ
32nd
φ
47th
√2
40th
𝑒
32nd