12 Days of Christmas
12th
24 Game
24th
99 Bottles of Beer
46th
Abundant Numbers
15th
Abundant Numbers (Long)
7th
Alphabetic Numbers
16th
Arabic to Roman
23rd
Arithmetic Numbers
23rd
Arrows
21st
Ascending Primes
3rd
ASCII Table
29th
Billiards
19th
brainfuck
43rd
Calendar
1st
Card Number Validation
16th
Catalan Numbers
1st
Catalan’s Constant
1st
Christmas Trees
18th
Collatz
12th
Continued Fractions
1st
CSS Colors
11th
Cubes
32nd
Day of Week
1st
DFA Simulator
13th
Diamonds
11th
Divisors
25th
Emirp Numbers
19th
Emirp Numbers (Long)
13th
Emojify
21st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
20th
Farey Sequence
26th
Fibonacci
1st1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
34th
Fractions
1st
Game of Life
18th
Gijswijt’s Sequence
19th
Gray Code Decoder
17th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
38th
Hexdump
4th
Hilbert Curve
2nd
Intersection
42nd
Inventory Sequence
1st
ISBN
39th
Jacobi Symbol
17th
Kaprekar Numbers
26th
Kolakoski Constant
12th
Kolakoski Sequence
1st
Leap Years
22nd
Levenshtein Distance
Leyland Numbers
120th
ln 2
1st
Look and Say
19th
Lucky Numbers
1st
Lucky Tickets
1st
Mahjong
12th
Mandelbrot
21st
Maze
14th
Medal Tally
15th
Minesweeper
13th
Morse Decoder
26th
Morse Encoder
4th
Multitap Input
11th
Musical Chords
14th
N Queens
18th
Niven Numbers
1st
Niven Numbers (Long)
24th
Number Spiral
34th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
8th
PalindromemordnilaP
1st
Pangram Grep
1st
Partition Numbers
47th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
11th
Polyominoes
16th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
29th
QR Decoder
22nd
Quine
1st
Recamán
55th
Repeating Decimals
1st
Reverse Polish Notation
23rd
Reversi
9th
Rijndael S-box
22nd
Rock-paper-scissors-Spock-lizard
14th
Roman to Arabic
69th
ROT13
1st
Rule 110
47th
Scrambled Sort
1st
Set
20th
Seven Segment
25th
SI Units
28th
Sierpiński Triangle
37th
Smith Numbers
15th
Spelling Numbers
8th
Star Wars GPT
1st
Star Wars Opening Crawl
9th
Sudoku
19th
Sudoku (Fill-in)
14th
Taxicab Numbers
1st
Ten-pin Bowling
21st
Tic-tac-toe
15th
Time Distance
21st
Tongue-twisters
37th
Topological Sort
22nd
Tower of Hanoi
1st
Transpose Sentence
7th
Trinomial Triangle
1st
United States
20th
Vampire Numbers
33rd
Van Eck Sequence
29th
Zeckendorf Representation
15th
Zodiac Signs
32nd
γ
27th
λ
8th
π
1st
τ
16th
φ
52nd
√2
1st
𝑒
1st