12 Days of Christmas
9th
24 Game
99 Bottles of Beer
11th
Abundant Numbers
22nd
Abundant Numbers (Long)
21st
Arabic to Roman
18th
Arithmetic Numbers
10th
Arrows
36th
Ascending Primes
11th
ASCII Table
15th
Billiards
10th
brainfuck
16th
Card Number Validation
22nd
Catalan Numbers
46th
Catalan’s Constant
24th
Christmas Trees
57th
Collatz
33rd
CSS Colors
11th
Cubes
12th
Day of Week
99th
26th
DFA Simulator
9th
Diamonds
48th
15th
Divisors
46th
Emirp Numbers
34th
Emirp Numbers (Long)
7th
Emojify
19th
Evil Numbers
80th
Evil Numbers (Long)
49th
Factorial Factorisation
11th
Farey Sequence
32nd
Fibonacci
9th
Fizz Buzz
4th
Foo Fizz Buzz Bar
11th
Forsyth–Edwards Notation
23rd
Fractions
1st
Game of Life
7th
Gijswijt’s Sequence
17th
Happy Numbers
18th
Happy Numbers (Long)
39th
Hexdump
14th
Hilbert Curve
15th
Intersection
17th
Inventory Sequence
31st
ISBN
16th
Jacobi Symbol
14th
Kaprekar Numbers
19th
Kolakoski Constant
34th
Kolakoski Sequence
36th
Leap Years
32nd
Levenshtein Distance
16th
Leyland Numbers
19th
ln 2
23rd
Look and Say
29th
Lucky Numbers
29th
Lucky Tickets
22nd
Mahjong
11th
Mandelbrot
7th
Maze
20th
Medal Tally
10th
Morse Decoder
14th
Morse Encoder
15th
Musical Chords
18th
N Queens
7th
Niven Numbers
46th
Niven Numbers (Long)
1st
Number Spiral
12th
Odious Numbers
68th
Odious Numbers (Long)
41st
Ordinal Numbers
20th
PalindromemordnilaP
18th
Pangram Grep
5th
Partition Numbers
6th26th
Pascal’s Triangle
70th
Pernicious Numbers
58th
Pernicious Numbers (Long)
33rd
Poker
10th
Polyominoes
8th
Prime Numbers
27th
Prime Numbers (Long)
1st
Proximity Grid
18th
QR Decoder
7th
Quine
Recamán
39th
Repeating Decimals
20th
Reverse Polish Notation
15th
Reversi
17th
Rijndael S-box
18th
Rock-paper-scissors-Spock-lizard
29th
Roman to Arabic
36th
ROT13
7th1st9th1st1st2nd
Rule 110
33rd
Scrambled Sort
5th
Set
9th
Seven Segment
11th
SI Units
5th
Sierpiński Triangle
30th
Smith Numbers
12th
Spelling Numbers
14th
Star Wars GPT
7th
Star Wars Opening Crawl
16th
Sudoku
20th
Sudoku (Fill-in)
22nd
Ten-pin Bowling
21st
Tic-tac-toe
26th
Time Distance
11th
Tongue-twisters
15th
Topological Sort
17th
Tower of Hanoi
30th
Transpose Sentence
24th
Trinomial Triangle
29th
United States
21st
Vampire Numbers
15th
Van Eck Sequence
32nd
Zeckendorf Representation
11th
Zodiac Signs
10th
γ
15th
λ
10th
π
34th
τ
31st
φ
44th
√2
35th
𝑒
29th