12 Days of Christmas
21st
24 Game
15th
99 Bottles of Beer
25th
Abundant Numbers
20th
Abundant Numbers (Long)
20th
Arabic to Roman
38th
Arithmetic Numbers
21st
Arrows
32nd
Ascending Primes
21st
ASCII Table
33rd
Billiards
13th
brainfuck
25th
Card Number Validation
20th
Catalan Numbers
43rd
Catalan’s Constant
21st
Christmas Trees
74th
Collatz
39th
CSS Colors
2nd
Cubes
31st
Day of Week
90th
24th
DFA Simulator
15th
Diamonds
44th
24th
Divisors
41st
Emirp Numbers
35th
Emirp Numbers (Long)
18th
Emojify
19th
Evil Numbers
74th
Evil Numbers (Long)
44th
Factorial Factorisation
22nd
Farey Sequence
23rd
Fibonacci
7th
Fizz Buzz
1st
Foo Fizz Buzz Bar
16th
Forsyth–Edwards Notation
26th
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
22nd
Happy Numbers
35th
Happy Numbers (Long)
50th
Hexdump
26th
Hilbert Curve
12th
Intersection
33rd
Inventory Sequence
29th
ISBN
26th
Jacobi Symbol
21st
Kaprekar Numbers
Kolakoski Constant
31st
Kolakoski Sequence
39th
Leap Years
29th
Levenshtein Distance
1st
Leyland Numbers
26th
ln 2
20th
Look and Say
43rd
Lucky Numbers
27th
Lucky Tickets
25th
Mahjong
10th
Mandelbrot
15th
Maze
16th
Medal Tally
13th
Morse Decoder
21st
Morse Encoder
25th
Musical Chords
19th
N Queens
10th
Niven Numbers
42nd
Niven Numbers (Long)
1st
Number Spiral
19th
Odious Numbers
61st
Odious Numbers (Long)
38th
Ordinal Numbers
19th
PalindromemordnilaP
18th
Pangram Grep
5th
Partition Numbers
5th20th
Pascal’s Triangle
74th
Pernicious Numbers
52nd
Pernicious Numbers (Long)
33rd
Poker
18th
Polyominoes
12th
Prime Numbers
24th
Prime Numbers (Long)
1st
Proximity Grid
17th
QR Decoder
10th
Quine
1st
Recamán
39th
Repeating Decimals
20th
Reverse Polish Notation
13th
Reversi
17th
Rijndael S-box
20th
Rock-paper-scissors-Spock-lizard
37th
Roman to Arabic
44th
ROT13
6th1st8th1st1st2nd
Rule 110
41st
Scrambled Sort
3rd
Set
12th
Seven Segment
15th
SI Units
11th
Sierpiński Triangle
29th
Smith Numbers
26th
Spelling Numbers
16th
Star Wars GPT
13th
Star Wars Opening Crawl
22nd
Sudoku
18th
Sudoku (Fill-in)
21st
Ten-pin Bowling
26th
Tic-tac-toe
22nd
Time Distance
19th
Tongue-twisters
34th
Topological Sort
13th
Tower of Hanoi
21st
Transpose Sentence
23rd
Trinomial Triangle
20th
United States
23rd
Vampire Numbers
29th
Van Eck Sequence
29th
Zeckendorf Representation
16th
Zodiac Signs
16th
γ
13th
λ
16th
π
26th
τ
25th
φ
39th
√2
32nd
𝑒
27th