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
30th
Arrows
19th
Ascending Primes
28th
ASCII Table
21st
Billiards
22nd
brainfuck
75th
Card Number Validation
32nd
Catalan Numbers
45th
Catalan’s Constant
22nd
Christmas Trees
28th
Collatz
29th
CSS Colors
36th
Cubes
32nd
Day of Week
126th
DFA Simulator
14th
Diamonds
32nd
Divisors
32nd
Emirp Numbers
42nd
Emirp Numbers (Long)
16th
Emojify
18th
Evil Numbers
16th
Evil Numbers (Long)
13th
Factorial Factorisation
14th
Farey Sequence
24th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
52nd
Forsyth–Edwards Notation
18th
Fractions
41st
Game of Life
31st
Gijswijt’s Sequence
12th
Happy Numbers
46th
Happy Numbers (Long)
54th
Hexdump
15th
Intersection
16th
Inventory Sequence
43rd
ISBN
42nd
Jacobi Symbol
21st
Kaprekar Numbers
14th
Kolakoski Constant
14th
Kolakoski Sequence
44th
Leap Years
65th
Levenshtein Distance
45th
Leyland Numbers
28th
ln 2
21st
Look and Say
77th
Lucky Numbers
29th
Lucky Tickets
25th
Mahjong
9th
Maze
14th
Medal Tally
23rd
Morse Decoder
20th
Morse Encoder
27th
Musical Chords
13th
N Queens
11th
Niven Numbers
1st
Niven Numbers (Long)
17th
Number Spiral
24th
Odious Numbers
11th
Odious Numbers (Long)
35th
Ordinal Numbers
63rd
PalindromemordnilaP
18th
Pangram Grep
13th
Partition Numbers
31st
Pascal’s Triangle
34th
Pernicious Numbers
58th
Pernicious Numbers (Long)
26th
Poker
15th
Polyominoes
10th
Prime Numbers
57th
Prime Numbers (Long)
29th
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
31st
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
69th
Star Wars Opening Crawl
13th
Sudoku
12th
Sudoku (Fill-in)
16th
Ten-pin Bowling
20th
Tic-tac-toe
30th
Time Distance
11th
Tongue-twisters
48th
Transpose Sentence
17th
United States
34th
Vampire Numbers
15th
Van Eck Sequence
36th
Zeckendorf Representation
11th
Zodiac Signs
18th
γ
14th
λ
13th
π
28th
τ
33rd
φ
58th
√2
51st
𝑒
29th