12 Days of Christmas
8th
24 Game
99 Bottles of Beer
10th
Abundant Numbers
21st
Abundant Numbers (Long)
20th
Arabic to Roman
18th
Arithmetic Numbers
10th
Arrows
36th
Ascending Primes
11th
ASCII Table
15th
Billiards
9th
brainfuck
16th
Card Number Validation
20th
Catalan Numbers
44th
Catalan’s Constant
20th
Christmas Trees
56th
Collatz
31st
CSS Colors
11th
Cubes
11th
Day of Week
90th
26th
DFA Simulator
9th
Diamonds
46th
14th
Divisors
44th
Emirp Numbers
33rd
Emirp Numbers (Long)
7th
Emojify
19th
Evil Numbers
77th
Evil Numbers (Long)
45th
Factorial Factorisation
11th
Farey Sequence
25th
Fibonacci
8th
Fizz Buzz
3rd
Foo Fizz Buzz Bar
11th
Forsyth–Edwards Notation
21st
Fractions
1st
Game of Life
6th
Gijswijt’s Sequence
14th
Happy Numbers
17th
Happy Numbers (Long)
37th
Hexdump
14th
Hilbert Curve
13th
Intersection
17th
Inventory Sequence
30th
ISBN
16th
Jacobi Symbol
13th
Kaprekar Numbers
17th
Kolakoski Constant
32nd
Kolakoski Sequence
34th
Leap Years
30th
Levenshtein Distance
16th
Leyland Numbers
17th
ln 2
21st
Look and Say
29th
Lucky Numbers
26th
Lucky Tickets
20th
Mahjong
9th
Mandelbrot
6th
Maze
20th
Medal Tally
9th
Morse Decoder
14th
Morse Encoder
15th
Musical Chords
18th
N Queens
4th
Niven Numbers
43rd
Niven Numbers (Long)
1st
Number Spiral
11th
Odious Numbers
64th
Odious Numbers (Long)
39th
Ordinal Numbers
19th
PalindromemordnilaP
15th
Pangram Grep
5th
Partition Numbers
6th24th
Pascal’s Triangle
67th
Pernicious Numbers
54th
Pernicious Numbers (Long)
31st
Poker
10th
Polyominoes
8th
Prime Numbers
27th
Prime Numbers (Long)
1st
Proximity Grid
16th
QR Decoder
7th
Quine
Recamán
37th
Repeating Decimals
19th
Reverse Polish Notation
14th
Reversi
16th
Rijndael S-box
17th
Rock-paper-scissors-Spock-lizard
27th
Roman to Arabic
35th
ROT13
6th1st8th1st1st2nd
Rule 110
31st
Scrambled Sort
4th
Set
9th
Seven Segment
11th
SI Units
4th
Sierpiński Triangle
30th
Smith Numbers
11th
Spelling Numbers
13th
Star Wars GPT
6th
Star Wars Opening Crawl
15th
Sudoku
19th
Sudoku (Fill-in)
22nd
Ten-pin Bowling
21st
Tic-tac-toe
24th
Time Distance
11th
Tongue-twisters
14th
Topological Sort
15th
Tower of Hanoi
24th
Transpose Sentence
22nd
Trinomial Triangle
26th
United States
20th
Vampire Numbers
14th
Van Eck Sequence
29th
Zeckendorf Representation
11th
Zodiac Signs
9th
γ
13th
λ
9th
π
27th
τ
27th
φ
40th
√2
32nd
𝑒
28th