12 Days of Christmas
10th
24 Game
99 Bottles of Beer
12th
Abundant Numbers
23rd
Abundant Numbers (Long)
21st
Arabic to Roman
19th
Arithmetic Numbers
10th
Arrows
38th
Ascending Primes
11th
ASCII Table
15th
Billiards
12th
brainfuck
17th
Card Number Validation
23rd
Catalan Numbers
53rd
Catalan’s Constant
26th
Christmas Trees
60th
Collatz
35th
CSS Colors
11th
Cubes
15th
Day of Week
103rd
31st
DFA Simulator
11th
Diamonds
52nd
16th
Divisors
53rd
Emirp Numbers
37th
Emirp Numbers (Long)
7th
Emojify
21st
Evil Numbers
83rd
Evil Numbers (Long)
52nd
Factorial Factorisation
14th
Farey Sequence
36th
Fibonacci
11th
Fizz Buzz
4th
Foo Fizz Buzz Bar
11th
Forsyth–Edwards Notation
28th
Fractions
1st
Game of Life
7th
Gijswijt’s Sequence
22nd
Happy Numbers
19th
Happy Numbers (Long)
44th
Hexdump
14th
Hilbert Curve
18th
Intersection
17th
Inventory Sequence
36th
ISBN
16th
Jacobi Symbol
14th
Kaprekar Numbers
21st
Kolakoski Constant
38th
Kolakoski Sequence
41st
Leap Years
35th
Levenshtein Distance
16th
Leyland Numbers
21st
ln 2
24th
Look and Say
32nd
Lucky Numbers
36th
Lucky Tickets
28th
Mahjong
14th
Mandelbrot
7th
Maze
22nd
Medal Tally
12th
Morse Decoder
14th
Morse Encoder
16th
Musical Chords
21st
N Queens
8th
Niven Numbers
52nd
Niven Numbers (Long)
1st
Number Spiral
14th
Odious Numbers
70th
Odious Numbers (Long)
44th
Ordinal Numbers
23rd
PalindromemordnilaP
21st
Pangram Grep
5th
Partition Numbers
7th32nd
Pascal’s Triangle
72nd
Pernicious Numbers
64th
Pernicious Numbers (Long)
36th
Poker
11th
Polyominoes
9th
Prime Numbers
31st
Prime Numbers (Long)
1st
Proximity Grid
20th
QR Decoder
8th
Quine
Recamán
43rd
Repeating Decimals
23rd
Reverse Polish Notation
16th
Reversi
20th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
32nd
Roman to Arabic
36th
ROT13
7th1st11th1st1st3rd
Rule 110
37th
Scrambled Sort
5th
Set
10th
Seven Segment
13th
SI Units
6th
Sierpiński Triangle
35th
Smith Numbers
12th
Spelling Numbers
14th
Star Wars GPT
8th
Star Wars Opening Crawl
19th
Sudoku
22nd
Sudoku (Fill-in)
26th
Ten-pin Bowling
24th
Tic-tac-toe
31st
Time Distance
11th
Tongue-twisters
16th
Topological Sort
21st
Tower of Hanoi
31st
Transpose Sentence
27th
Trinomial Triangle
32nd
United States
23rd
Vampire Numbers
15th
Van Eck Sequence
34th
Zeckendorf Representation
12th
Zodiac Signs
11th
γ
17th
λ
10th
π
36th
τ
34th
φ
49th
√2
40th
𝑒
33rd