12 Days of Christmas
30th
99 Bottles of Beer
21st
Abundant Numbers
47th
Abundant Numbers (Long)
30th
Arabic to Roman
21st
Arithmetic Numbers
26th
Arrows
11th
Ascending Primes
10th
ASCII Table
20th
Billiards
9th
brainfuck
17th
Catalan Numbers
19th
Catalan’s Constant
4th
Christmas Trees
23rd
Collatz
23rd
CSS Colors
11th
Cubes
8th
Day of Week
20th
DFA Simulator
7th
Diamonds
13th
Divisors
49th
Emirp Numbers
41st
Emirp Numbers (Long)
16th
Emojify
15th
Evil Numbers
41st
Evil Numbers (Long)
28th
Factorial Factorisation
9th
Farey Sequence
18th
Fibonacci
1st
Fizz Buzz
85th2,249th
Foo Fizz Buzz Bar
27th
Forsyth–Edwards Notation
13th
Fractions
21st
Game of Life
9th
Gijswijt’s Sequence
9th
Happy Numbers
55th
Happy Numbers (Long)
25th
Hexdump
12th
Hilbert Curve
4th
Intersection
13th
Inventory Sequence
13th
ISBN
11th
Kaprekar Numbers
10th
Kolakoski Sequence
19th
Leap Years
33rd
Leyland Numbers
11th
Look and Say
9th
Lucky Numbers
30th
Lucky Tickets
12th
Mahjong
2nd
Mandelbrot
10th
Medal Tally
8th
Morse Decoder
8th
Morse Encoder
9th
N Queens
8th
Niven Numbers
52nd
Niven Numbers (Long)
19th
Number Spiral
15th
Odious Numbers
33rd
Odious Numbers (Long)
23rd
Ordinal Numbers
19th
PalindromemordnilaP
6th
Pangram Grep
24th
Partition Numbers
13th
Pascal’s Triangle
30th
Pernicious Numbers
43rd
Pernicious Numbers (Long)
19th
Prime Numbers
43rd
Prime Numbers (Long)
24th
Proximity Grid
5th
QR Decoder
6th
Quine
99th
Recamán
13th
Repeating Decimals
8th
Reverse Polish Notation
9th
Rijndael S-box
8th
Rock-paper-scissors-Spock-lizard
15th
Roman to Arabic
15th
ROT13
12th
Rule 110
12th
Scrambled Sort
6th
Set
6th
Seven Segment
13th
Sierpiński Triangle
22nd
Smith Numbers
11th
Spelling Numbers
7th
Star Wars GPT
3rd
Star Wars Opening Crawl
3rd
Sudoku
5th
Sudoku (Fill-in)
5th
Ten-pin Bowling
7th
Tic-tac-toe
8th
Time Distance
9th
Tongue-twisters
16th
Topological Sort
3rd
Transpose Sentence
10th
United States
18th
Vampire Numbers
8th
Van Eck Sequence
14th
Zeckendorf Representation
12th
Zodiac Signs
8th
φ
20th
√2
28th
𝑒
18th