12 Days of Christmas
14th
24 Game
50th
99 Bottles of Beer
1st1st
Abundant Numbers
46th
Abundant Numbers (Long)
36th
Arabic to Roman
22nd
Arithmetic Numbers
10th
Arrows
44th
Ascending Primes
28th
ASCII Table
16th
Billiards
28th
brainfuck
18th
Calendar
15th1st
Card Number Validation
2nd
Catalan Numbers
1st
Catalan’s Constant
57th
Christmas Trees
50th
Collatz
42nd
CSS Colors
13th
Cubes
20th
Day of Week
1st
DFA Simulator
18th
Diamonds
28th
Divisors
169th
1st
Emirp Numbers
24th
Emirp Numbers (Long)
27th
Emojify
29th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
17th
Farey Sequence
1st
Fibonacci
1st59th
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
13th
Fractions
1st
Game of Life
15th
Gijswijt’s Sequence
37th
Happy Numbers
1st
Happy Numbers (Long)
25th
Hexdump
1st
Hilbert Curve
14th
Intersection
46th
Inventory Sequence
24th
ISBN
23rd
Jacobi Symbol
22nd
Kaprekar Numbers
35th
Kolakoski Constant
19th
Kolakoski Sequence
21st
Leap Years
8th
Levenshtein Distance
Leyland Numbers
8th
ln 2
1st
Look and Say
26th
Lucky Numbers
1st
Lucky Tickets
60th
Mahjong
16th
Mandelbrot
33rd
Maze
11th
Medal Tally
23rd
Minesweeper
11th
Morse Decoder
25th
Morse Encoder
13th
Multitap Input
18th
Musical Chords
22nd
N Queens
43rd
Niven Numbers
1st
Niven Numbers (Long)
52nd
Number Spiral
34th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
45th
Pangram Grep
65th
Partition Numbers
42nd
Pascal’s Triangle
89th
Pernicious Numbers
81st
Pernicious Numbers (Long)
1st
Poker
24th
Polyominoes
20th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
24th
QR Decoder
11th
Quine
83rd
Recamán
1st
Repeating Decimals
31st
Reverse Polish Notation
48th
Reversi
10th
Rijndael S-box
32nd
Rock-paper-scissors-Spock-lizard
22nd
Roman to Arabic
25th
ROT13
68th
Rule 110
76th
Scrambled Sort
11th
Set
13th
Seven Segment
32nd
SI Units
24th
Sierpiński Triangle
37th
Smith Numbers
31st
Spelling Numbers
15th
Star Wars GPT
1st
Star Wars Opening Crawl
3rd
Sudoku
31st
Sudoku (Fill-in)
9th
Ten-pin Bowling
21st
Tic-tac-toe
11th
Time Distance
5th
Tongue-twisters
17th
Topological Sort
23rd
Tower of Hanoi
37th
Transpose Sentence
22nd
Trinomial Triangle
36th
United States
17th
Vampire Numbers
6th
Van Eck Sequence
64th
Zeckendorf Representation
54th
Zodiac Signs
15th
γ
25th
λ
38th
π
43rd
τ
35th
φ
61st
√2
1st
𝑒
1st