12 Days of Christmas
219th
24 Game
15th
99 Bottles of Beer
113th
Abundant Numbers
96th
Abundant Numbers (Long)
75th
Arabic to Roman
37th
Arithmetic Numbers
103rd
Arrows
32nd
Ascending Primes
101st
ASCII Table
33rd
Billiards
32nd
Card Number Validation
51st
Catalan Numbers
1st
Catalan’s Constant
53rd
Christmas Trees
86th
Collatz
7th
Cubes
6th
Day of Week
1st
DFA Simulator
18th
Diamonds
24th
Divisors
393rd
Emirp Numbers
192nd
Evil Numbers
489th
Evil Numbers (Long)
38th
Factorial Factorisation
13th
Farey Sequence
85th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
50th
Fractions
324th
Game of Life
44th
Gijswijt’s Sequence
38th
Happy Numbers
258th
Hexdump
38th
Hilbert Curve
26th
Intersection
63rd
Inventory Sequence
45th
ISBN
171st
Kolakoski Sequence
7th
Leap Years
14th
Levenshtein Distance
73rd
Leyland Numbers
270th
ln 2
129th
Look and Say
15th
Lucky Numbers
105th
Lucky Tickets
107th
Mahjong
14th
Mandelbrot
43rd
Maze
32nd
Medal Tally
62nd
Minesweeper
34th
Morse Decoder
123rd
Morse Encoder
54th
Musical Chords
53rd
N Queens
27th
Niven Numbers
1st
Niven Numbers (Long)
38th
Number Spiral
20th
Odious Numbers
298th
Ordinal Numbers
107th
PalindromemordnilaP
67th
Pangram Grep
59th
Pascal’s Triangle
1st
Pernicious Numbers
107th
Pernicious Numbers (Long)
61st
Poker
19th
Polyominoes
8th
Prime Numbers
153rd
Prime Numbers (Long)
50th
Proximity Grid
24th
QR Decoder
52nd
Quine
725th
Recamán
91st
Repeating Decimals
51st
Reverse Polish Notation
163rd
Reversi
30th
Rock-paper-scissors-Spock-lizard
65th
Roman to Arabic
79th
ROT13
87th
Rule 110
1st
Scrambled Sort
54th
Set
31st
Seven Segment
87th
Sierpiński Triangle
17th
Smith Numbers
84th
Spelling Numbers
93rd
Star Wars GPT
1st
Sudoku (Fill-in)
41st
Ten-pin Bowling
23rd
Tic-tac-toe
54th
Time Distance
79th
Tongue-twisters
51st
Topological Sort
31st
Tower of Hanoi
42nd
Transpose Sentence
50th
Trinomial Triangle
1st
Vampire Numbers
84th
Van Eck Sequence
73rd
Zeckendorf Representation
19th
Zodiac Signs
43rd
π
87th