12 Days of Christmas
40th
24 Game
12th
99 Bottles of Beer
29th
Abundant Numbers
29th
Abundant Numbers (Long)
11th
Arabic to Roman
21st
Arithmetic Numbers
29th
Arrows
19th
Ascending Primes
26th
ASCII Table
21st
Billiards
21st
brainfuck
75th
Card Number Validation
32nd
Catalan Numbers
42nd
Catalan’s Constant
21st
Christmas Trees
28th
Collatz
29th
CSS Colors
36th
Cubes
31st
Day of Week
122nd
DFA Simulator
14th
Diamonds
31st
Divisors
32nd
Emirp Numbers
42nd
Emirp Numbers (Long)
16th
Emojify
17th
Evil Numbers
15th
Evil Numbers (Long)
13th
Factorial Factorisation
14th
Farey Sequence
24th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
50th
Forsyth–Edwards Notation
18th
Fractions
40th
Game of Life
29th
Gijswijt’s Sequence
12th
Happy Numbers
46th
Happy Numbers (Long)
52nd
Hexdump
15th
Intersection
16th
Inventory Sequence
42nd
ISBN
41st
Jacobi Symbol
21st
Kaprekar Numbers
14th
Kolakoski Constant
14th
Kolakoski Sequence
43rd
Leap Years
62nd
Levenshtein Distance
45th
Leyland Numbers
28th
ln 2
21st
Look and Say
75th
Lucky Numbers
29th
Lucky Tickets
24th
Mahjong
9th
Maze
13th
Medal Tally
23rd
Morse Decoder
20th
Morse Encoder
26th
Musical Chords
14th
N Queens
11th
Niven Numbers
1st
Niven Numbers (Long)
17th
Number Spiral
24th
Odious Numbers
11th
Odious Numbers (Long)
33rd
Ordinal Numbers
61st
PalindromemordnilaP
18th
Pangram Grep
11th
Partition Numbers
29th
Pascal’s Triangle
34th
Pernicious Numbers
57th
Pernicious Numbers (Long)
25th
Poker
15th
Polyominoes
9th
Prime Numbers
55th
Prime Numbers (Long)
27th
Proximity Grid
19th
QR Decoder
14th
Quine
33rd
Recamán
35th
Repeating Decimals
14th
Reverse Polish Notation
29th
Reversi
14th
Rijndael S-box
7th
Rock-paper-scissors-Spock-lizard
30th
Roman to Arabic
15th
ROT13
57th
Rule 110
35th
Set
23rd
Seven Segment
21st
SI Units
6th
Sierpiński Triangle
14th
Smith Numbers
34th
Spelling Numbers
67th
Star Wars Opening Crawl
13th
Sudoku
12th
Sudoku (Fill-in)
16th
Ten-pin Bowling
20th
Tic-tac-toe
29th
Time Distance
11th
Tongue-twisters
48th
Transpose Sentence
17th
United States
33rd
Vampire Numbers
15th
Van Eck Sequence
35th
Zeckendorf Representation
11th
Zodiac Signs
18th
γ
14th
λ
12th
π
27th
τ
32nd
φ
57th
√2
50th
𝑒
29th