12 Days of Christmas
21st
24 Game
99 Bottles of Beer
28th
Abundant Numbers
20th
Abundant Numbers (Long)
20th
Arabic to Roman
39th
Arithmetic Numbers
22nd
Arrows
33rd
Ascending Primes
22nd
ASCII Table
33rd
Billiards
14th
brainfuck
26th
Card Number Validation
20th
Catalan Numbers
43rd
Catalan’s Constant
21st
Christmas Trees
77th
Collatz
39th
CSS Colors
2nd
Cubes
32nd
Day of Week
90th
26th
DFA Simulator
16th
Diamonds
46th
24th
Divisors
44th
Emirp Numbers
35th
Emirp Numbers (Long)
19th
Emojify
19th
Evil Numbers
76th
Evil Numbers (Long)
45th
Factorial Factorisation
23rd
Farey Sequence
25th
Fibonacci
7th
Fizz Buzz
1st
Foo Fizz Buzz Bar
16th
Forsyth–Edwards Notation
26th
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
23rd
Happy Numbers
35th
Happy Numbers (Long)
50th
Hexdump
26th
Hilbert Curve
13th
Intersection
34th
Inventory Sequence
30th
ISBN
26th
Jacobi Symbol
21st
Kaprekar Numbers
17th
Kolakoski Constant
31st
Kolakoski Sequence
39th
Leap Years
30th
Levenshtein Distance
1st
Leyland Numbers
26th
ln 2
21st
Look and Say
45th
Lucky Numbers
28th
Lucky Tickets
25th
Mahjong
10th
Mandelbrot
16th
Maze
18th
Medal Tally
13th
Morse Decoder
21st
Morse Encoder
25th
Musical Chords
20th
N Queens
10th
Niven Numbers
42nd
Niven Numbers (Long)
1st
Number Spiral
20th
Odious Numbers
62nd
Odious Numbers (Long)
38th
Ordinal Numbers
19th
PalindromemordnilaP
19th
Pangram Grep
5th
Partition Numbers
5th21st
Pascal’s Triangle
76th
Pernicious Numbers
54th
Pernicious Numbers (Long)
34th
Poker
18th
Polyominoes
12th
Prime Numbers
24th
Prime Numbers (Long)
1st
Proximity Grid
18th
QR Decoder
10th
Quine
Recamán
40th
Repeating Decimals
20th
Reverse Polish Notation
13th
Reversi
18th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
39th
Roman to Arabic
44th
ROT13
6th1st8th1st1st2nd
Rule 110
43rd
Scrambled Sort
3rd
Set
13th
Seven Segment
15th
SI Units
11th
Sierpiński Triangle
30th
Smith Numbers
27th
Spelling Numbers
16th
Star Wars GPT
15th
Star Wars Opening Crawl
23rd
Sudoku
18th
Sudoku (Fill-in)
22nd
Ten-pin Bowling
27th
Tic-tac-toe
23rd
Time Distance
20th
Tongue-twisters
36th
Topological Sort
15th
Tower of Hanoi
24th
Transpose Sentence
25th
Trinomial Triangle
22nd
United States
23rd
Vampire Numbers
31st
Van Eck Sequence
29th
Zeckendorf Representation
18th
Zodiac Signs
17th
γ
13th
λ
16th
π
23rd
τ
24th
φ
√2
𝑒
27th