12 Days of Christmas
11th
24 Game
24th
99 Bottles of Beer
44th
Abundant Numbers
13th
Abundant Numbers (Long)
8th
Alphabetic Numbers
13th
Arabic to Roman
22nd
Arithmetic Numbers
27th
Arrows
19th
Ascending Primes
3rd
ASCII Table
27th
Billiards
18th
brainfuck
39th
Calendar
1st
Card Number Validation
15th
Catalan Numbers
1st
Catalan’s Constant
1st
Christmas Trees
17th
Collatz
12th
Continued Fractions
1st
CSS Colors
10th
Cubes
31st
Day of Week
1st
DFA Simulator
12th
Diamonds
11th
Divisors
1st
Emirp Numbers
16th
Emirp Numbers (Long)
10th
Emojify
19th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
17th
Farey Sequence
24th
Fibonacci
1st1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
33rd
Fractions
1st
Game of Life
15th
Gijswijt’s Sequence
19th
Gray Code Decoder
14th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
36th
Hexdump
4th
Hilbert Curve
1st
Intersection
41st
Inventory Sequence
1st
ISBN
38th
Jacobi Symbol
16th
Kaprekar Numbers
25th
Kolakoski Constant
11th
Kolakoski Sequence
1st
Leap Years
18th
Levenshtein Distance
1st
Leyland Numbers
119th
ln 2
1st
Look and Say
16th
Lucky Numbers
1st
Lucky Tickets
1st
Mahjong
8th
Mandelbrot
19th
Maze
11th
Medal Tally
13th
Minesweeper
11th
Morse Decoder
23rd
Morse Encoder
3rd
Multitap Input
11th
Musical Chords
12th
N Queens
15th
Niven Numbers
1st
Niven Numbers (Long)
23rd
Number Spiral
33rd
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
1st
Pangram Grep
1st
Partition Numbers
46th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
10th
Polyominoes
14th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
28th
QR Decoder
19th
Quine
1st
Recamán
54th
Repeating Decimals
1st
Reverse Polish Notation
22nd
Reversi
7th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
13th
Roman to Arabic
67th
ROT13
1st
Rule 110
44th
Scrambled Sort
1st
Set
15th
Seven Segment
24th
SI Units
26th
Sierpiński Triangle
36th
Smith Numbers
10th
Spelling Numbers
6th
Star Wars GPT
1st
Star Wars Opening Crawl
7th
Sudoku
18th
Sudoku (Fill-in)
11th
Taxicab Numbers
1st
Ten-pin Bowling
19th
Tic-tac-toe
12th
Time Distance
20th
Tongue-twisters
35th
Topological Sort
21st
Tower of Hanoi
1st
Transpose Sentence
4th
Trinomial Triangle
1st
United States
18th
Vampire Numbers
30th
Van Eck Sequence
26th
Zeckendorf Representation
14th
Zodiac Signs
30th
γ
25th
λ
8th
π
1st
τ
14th
φ
51st
√2
1st
𝑒
1st