12 Days of Christmas
21st
24 Game
99 Bottles of Beer
27th
Abundant Numbers
20th
Abundant Numbers (Long)
20th
Arabic to Roman
39th
Arithmetic Numbers
21st
Arrows
32nd
Ascending Primes
22nd
ASCII Table
33rd
Billiards
14th
brainfuck
25th
Card Number Validation
20th
Catalan Numbers
43rd
Catalan’s Constant
21st
Christmas Trees
76th
Collatz
39th
CSS Colors
2nd
Cubes
32nd
Day of Week
90th
24th
DFA Simulator
16th
Diamonds
45th
24th
Divisors
42nd
Emirp Numbers
35th
Emirp Numbers (Long)
18th
Emojify
19th
Evil Numbers
75th
Evil Numbers (Long)
44th
Factorial Factorisation
22nd
Farey Sequence
24th
Fibonacci
7th
Fizz Buzz
1st
Foo Fizz Buzz Bar
16th
Forsyth–Edwards Notation
26th
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
21st
Happy Numbers
35th
Happy Numbers (Long)
50th
Hexdump
26th
Hilbert Curve
13th
Intersection
33rd
Inventory Sequence
30th
ISBN
26th
Jacobi Symbol
21st
Kaprekar Numbers
Kolakoski Constant
31st
Kolakoski Sequence
39th
Leap Years
29th
Levenshtein Distance
1st
Leyland Numbers
26th
ln 2
21st
Look and Say
43rd
Lucky Numbers
28th
Lucky Tickets
25th
Mahjong
10th
Mandelbrot
15th
Maze
15th
Medal Tally
13th
Morse Decoder
21st
Morse Encoder
25th
Musical Chords
19th
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
75th
Pernicious Numbers
53rd
Pernicious Numbers (Long)
33rd
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
17th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
37th
Roman to Arabic
44th
ROT13
6th1st8th1st1st2nd
Rule 110
42nd
Scrambled Sort
3rd
Set
13th
Seven Segment
15th
SI Units
11th
Sierpiński Triangle
30th
Smith Numbers
26th
Spelling Numbers
16th
Star Wars GPT
14th
Star Wars Opening Crawl
23rd
Sudoku
18th
Sudoku (Fill-in)
22nd
Ten-pin Bowling
27th
Tic-tac-toe
22nd
Time Distance
19th
Tongue-twisters
35th
Topological Sort
13th
Tower of Hanoi
23rd
Transpose Sentence
25th
Trinomial Triangle
21st
United States
23rd
Vampire Numbers
30th
Van Eck Sequence
29th
Zeckendorf Representation
16th
Zodiac Signs
16th
γ
13th
λ
16th
π
22nd
τ
23rd
φ
√2
𝑒
27th