12 Days of Christmas
39th
24 Game
9th
99 Bottles of Beer
28th
Abundant Numbers
26th
Abundant Numbers (Long)
11th
Arabic to Roman
21st
Arithmetic Numbers
29th
Arrows
18th
Ascending Primes
23rd
ASCII Table
19th
Billiards
19th
brainfuck
68th
Card Number Validation
28th
Catalan Numbers
39th
Catalan’s Constant
21st
Christmas Trees
27th
Collatz
27th
CSS Colors
33rd
Cubes
28th
Day of Week
102nd
DFA Simulator
12th
Diamonds
29th
Divisors
30th
Emirp Numbers
40th
Emirp Numbers (Long)
15th
Emojify
17th
Evil Numbers
14th
Evil Numbers (Long)
13th
Factorial Factorisation
14th
Farey Sequence
24th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
48th
Forsyth–Edwards Notation
17th
Fractions
35th
Game of Life
25th
Gijswijt’s Sequence
7th
Happy Numbers
45th
Happy Numbers (Long)
47th
Hexdump
13th
Intersection
16th
Inventory Sequence
39th
ISBN
36th
Jacobi Symbol
19th
Kaprekar Numbers
11th
Kolakoski Constant
14th
Kolakoski Sequence
43rd
Leap Years
57th
Levenshtein Distance
44th
Leyland Numbers
26th
ln 2
21st
Look and Say
72nd
Lucky Numbers
27th
Lucky Tickets
20th
Mahjong
6th
Maze
10th
Medal Tally
18th
Morse Decoder
20th
Morse Encoder
26th
Musical Chords
11th
N Queens
10th
Niven Numbers
1st
Niven Numbers (Long)
16th
Number Spiral
23rd
Odious Numbers
11th
Odious Numbers (Long)
32nd
Ordinal Numbers
56th
PalindromemordnilaP
15th
Pangram Grep
11th
Partition Numbers
23rd
Pascal’s Triangle
32nd
Pernicious Numbers
55th
Pernicious Numbers (Long)
21st
Poker
13th
Polyominoes
8th
Prime Numbers
51st
Prime Numbers (Long)
25th
Proximity Grid
19th
QR Decoder
12th
Quine
30th
Recamán
35th
Repeating Decimals
12th
Reverse Polish Notation
28th
Reversi
14th
Rijndael S-box
5th
Rock-paper-scissors-Spock-lizard
30th
Roman to Arabic
15th
ROT13
49th
Rule 110
34th
Set
19th
Seven Segment
20th
SI Units
5th
Sierpiński Triangle
14th
Smith Numbers
29th
Spelling Numbers
60th
Star Wars Opening Crawl
11th
Sudoku
11th
Sudoku (Fill-in)
16th
Ten-pin Bowling
19th
Tic-tac-toe
25th
Time Distance
10th
Tongue-twisters
42nd
Transpose Sentence
16th
United States
30th
Vampire Numbers
13th
Van Eck Sequence
32nd
Zeckendorf Representation
11th
Zodiac Signs
17th
γ
12th
λ
7th
π
24th
τ
32nd
φ
55th
√2
47th
𝑒
27th