12 Days of Christmas
222nd
24 Game
15th
99 Bottles of Beer
114th
Abundant Numbers
98th
Abundant Numbers (Long)
77th
Arabic to Roman
38th
Arithmetic Numbers
104th
Arrows
34th
Ascending Primes
103rd
ASCII Table
33rd
Billiards
34th
Card Number Validation
52nd
Catalan Numbers
1st
Catalan’s Constant
54th
Christmas Trees
86th
Collatz
7th
Cubes
6th
Day of Week
1st
DFA Simulator
19th
Diamonds
24th
Divisors
394th
Emirp Numbers
192nd
Evil Numbers
491st
Evil Numbers (Long)
38th
Factorial Factorisation
13th
Farey Sequence
87th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
51st
Fractions
324th
Game of Life
45th
Gijswijt’s Sequence
38th
Happy Numbers
258th
Hexdump
39th
Hilbert Curve
31st
Intersection
64th
Inventory Sequence
48th
ISBN
172nd
Kolakoski Sequence
7th
Leap Years
14th
Levenshtein Distance
76th
Leyland Numbers
270th
ln 2
130th
Look and Say
16th
Lucky Numbers
107th
Lucky Tickets
107th
Mahjong
14th
Mandelbrot
44th
Maze
33rd
Medal Tally
64th
Minesweeper
35th
Morse Decoder
123rd
Morse Encoder
57th
Musical Chords
53rd
N Queens
27th
Niven Numbers
1st
Niven Numbers (Long)
42nd
Number Spiral
21st
Odious Numbers
300th
Ordinal Numbers
107th
PalindromemordnilaP
67th
Pangram Grep
60th
Pascal’s Triangle
1st
Pernicious Numbers
109th
Pernicious Numbers (Long)
65th
Poker
19th
Polyominoes
8th
Prime Numbers
157th
Prime Numbers (Long)
51st
Proximity Grid
25th
QR Decoder
52nd
Quine
728th
Recamán
93rd
Repeating Decimals
53rd
Reverse Polish Notation
163rd
Reversi
31st
Rock-paper-scissors-Spock-lizard
65th
Roman to Arabic
82nd
ROT13
88th
Rule 110
1st
Scrambled Sort
55th
Set
32nd
Seven Segment
89th
Sierpiński Triangle
17th
Smith Numbers
85th
Spelling Numbers
94th
Star Wars GPT
1st
Sudoku (Fill-in)
42nd
Ten-pin Bowling
23rd
Tic-tac-toe
54th
Time Distance
81st
Tongue-twisters
51st
Topological Sort
35th
Tower of Hanoi
48th
Transpose Sentence
51st
Trinomial Triangle
1st
Vampire Numbers
85th
Van Eck Sequence
73rd
Zeckendorf Representation
19th
Zodiac Signs
43rd
π
88th