12 Days of Christmas
10th
24 Game
21st
99 Bottles of Beer
39th
Abundant Numbers
12th
Abundant Numbers (Long)
8th
Alphabetic Numbers
12th
Arabic to Roman
20th
Arithmetic Numbers
24th
Arrows
18th
Ascending Primes
3rd
ASCII Table
24th
Billiards
14th
brainfuck
36th
Calendar
1st
Card Number Validation
14th
Catalan Numbers
1st
Catalan’s Constant
1st
Christmas Trees
16th
Collatz
10th
Continued Fractions
1st
CSS Colors
10th
Cubes
26th
Day of Week
1st
DFA Simulator
9th
Diamonds
9th
Divisors
1st
Emirp Numbers
16th
Emirp Numbers (Long)
10th
Emojify
18th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
17th
Farey Sequence
21st
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
30th
Fractions
1st
Game of Life
12th
Gijswijt’s Sequence
16th
Gray Code Decoder
11th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
35th
Hexdump
1st
Hilbert Curve
6th
Intersection
40th
Inventory Sequence
1st
ISBN
34th
Jacobi Symbol
12th
Kaprekar Numbers
22nd
Kolakoski Constant
9th
Kolakoski Sequence
1st
Leap Years
18th
Levenshtein Distance
1st
Leyland Numbers
113th
ln 2
1st
Look and Say
14th
Lucky Numbers
1st
Lucky Tickets
1st
Mahjong
8th
Mandelbrot
18th
Maze
11th
Medal Tally
12th
Minesweeper
11th
Morse Decoder
22nd
Morse Encoder
2nd
Multitap Input
9th
Musical Chords
12th
N Queens
11th
Niven Numbers
1st
Niven Numbers (Long)
22nd
Number Spiral
27th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
1st
Pangram Grep
1st
Partition Numbers
40th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
8th
Polyominoes
12th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
23rd
QR Decoder
17th
Quine
1st
Recamán
48th
Repeating Decimals
1st
Reverse Polish Notation
21st
Reversi
5th
Rijndael S-box
17th
Rock-paper-scissors-Spock-lizard
12th
Roman to Arabic
64th
ROT13
1st
Rule 110
40th
Scrambled Sort
1st
Set
13th
Seven Segment
20th
SI Units
21st
Sierpiński Triangle
33rd
Smith Numbers
7th
Spelling Numbers
5th
Star Wars GPT
1st
Star Wars Opening Crawl
6th
Sudoku
14th
Sudoku (Fill-in)
8th
Taxicab Numbers
1st
Ten-pin Bowling
15th
Tic-tac-toe
11th
Time Distance
18th
Tongue-twisters
32nd
Topological Sort
17th
Tower of Hanoi
1st
Transpose Sentence
4th
Trinomial Triangle
1st
United States
16th
Vampire Numbers
25th
Van Eck Sequence
24th
Zeckendorf Representation
14th
Zodiac Signs
28th
γ
23rd
λ
4th
π
1st
τ
11th
φ
49th
√2
1st
𝑒
1st