12 Days of Christmas
21st
24 Game
13th
99 Bottles of Beer
27th
Abundant Numbers
19th
Abundant Numbers (Long)
19th
Arabic to Roman
36th
Arithmetic Numbers
20th
Arrows
30th
Ascending Primes
20th
ASCII Table
32nd
Billiards
12th
brainfuck
24th
Card Number Validation
19th
Catalan Numbers
40th
Catalan’s Constant
19th
Christmas Trees
72nd
Collatz
36th
CSS Colors
3rd
Cubes
30th
Day of Week
82nd
20th
DFA Simulator
14th
Diamonds
42nd
21st
Divisors
39th
Emirp Numbers
33rd
Emirp Numbers (Long)
17th
Emojify
17th
Evil Numbers
69th
Evil Numbers (Long)
42nd
Factorial Factorisation
17th
Farey Sequence
23rd
Fibonacci
7th
Fizz Buzz
1st
Foo Fizz Buzz Bar
15th
Forsyth–Edwards Notation
23rd
Fractions
1st
Game of Life
10th
Gijswijt’s Sequence
22nd
Happy Numbers
33rd
Happy Numbers (Long)
47th
Hexdump
23rd
Intersection
29th
Inventory Sequence
27th
ISBN
26th
Jacobi Symbol
19th
Kaprekar Numbers
15th
Kolakoski Constant
29th
Kolakoski Sequence
38th
Leap Years
29th
Levenshtein Distance
1st
Leyland Numbers
25th
ln 2
19th
Look and Say
41st
Lucky Numbers
25th
Lucky Tickets
23rd
Mahjong
9th
Mandelbrot
14th
Maze
16th
Medal Tally
12th
Morse Decoder
20th
Morse Encoder
23rd
Musical Chords
16th
N Queens
8th
Niven Numbers
41st
Niven Numbers (Long)
1st
Number Spiral
18th
Odious Numbers
58th
Odious Numbers (Long)
35th
Ordinal Numbers
18th
PalindromemordnilaP
17th
Pangram Grep
5th
Partition Numbers
5th17th
Pascal’s Triangle
72nd
Pernicious Numbers
48th
Pernicious Numbers (Long)
31st
Poker
15th
Polyominoes
9th
Prime Numbers
23rd
Prime Numbers (Long)
1st
Proximity Grid
16th
QR Decoder
9th
Quine
1st
Recamán
35th
Repeating Decimals
18th
Reverse Polish Notation
13th
Reversi
17th
Rijndael S-box
17th
Rock-paper-scissors-Spock-lizard
34th
Roman to Arabic
41st
ROT13
6th1st8th1st1st2nd
Rule 110
39th
Scrambled Sort
3rd
Set
12th
Seven Segment
14th
SI Units
10th
Sierpiński Triangle
28th
Smith Numbers
24th
Spelling Numbers
15th
Star Wars GPT
12th
Star Wars Opening Crawl
21st
Sudoku
17th
Sudoku (Fill-in)
18th
Ten-pin Bowling
23rd
Tic-tac-toe
22nd
Time Distance
16th
Tongue-twisters
32nd
Transpose Sentence
23rd
United States
19th
Vampire Numbers
28th
Van Eck Sequence
26th
Zeckendorf Representation
14th
Zodiac Signs
15th
γ
12th
λ
15th
π
26th
τ
25th
φ
36th
√2
31st
𝑒
26th