12 Days of Christmas
17th
24 Game
15th
99 Bottles of Beer
117th
Abundant Numbers
100th
Abundant Numbers (Long)
80th
Arabic to Roman
38th
Arithmetic Numbers
105th
Arrows
35th
Ascending Primes
104th
ASCII Table
36th
Billiards
8th
Calendar
36th
Card Number Validation
53rd
Catalan Numbers
1st
Catalan’s Constant
54th
Christmas Trees
87th
Collatz
7th
Cubes
6th
Day of Week
1st
DFA Simulator
19th
Diamonds
24th
Divisors
394th
Emirp Numbers
193rd
Evil Numbers
495th
Evil Numbers (Long)
38th
Factorial Factorisation
13th
Farey Sequence
89th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
51st
Fractions
324th
Game of Life
47th
Gijswijt’s Sequence
38th
Happy Numbers
258th
Hexdump
41st
Hilbert Curve
31st
Intersection
65th
Inventory Sequence
49th
ISBN
172nd
Kolakoski Sequence
7th
Leap Years
14th
Levenshtein Distance
77th
Leyland Numbers
272nd
ln 2
132nd
Look and Say
18th
Lucky Numbers
109th
Lucky Tickets
107th
Mahjong
14th
Mandelbrot
44th
Maze
35th
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
302nd
Ordinal Numbers
107th
PalindromemordnilaP
68th
Pangram Grep
60th
Pascal’s Triangle
1st
Pernicious Numbers
109th
Pernicious Numbers (Long)
67th
Poker
19th
Polyominoes
8th
Prime Numbers
157th
Prime Numbers (Long)
52nd
Proximity Grid
26th
QR Decoder
52nd
Quine
729th
Recamán
96th
Repeating Decimals
53rd
Reverse Polish Notation
168th
Reversi
32nd
Rock-paper-scissors-Spock-lizard
66th
Roman to Arabic
83rd
ROT13
88th
Rule 110
1st
Scrambled Sort
55th
Set
33rd
Seven Segment
89th
Sierpiński Triangle
17th
Smith Numbers
85th
Spelling Numbers
94th
Star Wars GPT
1st
Sudoku (Fill-in)
43rd
Ten-pin Bowling
24th
Tic-tac-toe
56th
Time Distance
82nd
Tongue-twisters
52nd
Topological Sort
36th
Tower of Hanoi
49th
Transpose Sentence
51st
Trinomial Triangle
1st
Vampire Numbers
87th
Van Eck Sequence
74th
Zeckendorf Representation
19th
Zodiac Signs
44th
π
88th