12 Days of Christmas
31st
24 Game
13th
99 Bottles of Beer
72nd
Abundant Numbers
26th
Abundant Numbers (Long)
11th
Arabic to Roman
36th
Arithmetic Numbers
28th
Arrows
23rd
Ascending Primes
23rd
ASCII Table
30th
Billiards
18th
brainfuck
82nd
Card Number Validation
28th
Catalan Numbers
38th
Catalan’s Constant
22nd
Christmas Trees
27th
Collatz
27th
CSS Colors
23rd
Cubes
32nd
Day of Week
101st
DFA Simulator
19th
Diamonds
33rd
Divisors
30th
Emirp Numbers
16th
Emirp Numbers (Long)
15th
Emojify
11th
Evil Numbers
14th
Evil Numbers (Long)
13th
Factorial Factorisation
15th
Farey Sequence
23rd
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
51st
Forsyth–Edwards Notation
10th
Fractions
34th
Game of Life
26th
Gijswijt’s Sequence
7th
Happy Numbers
17th
Happy Numbers (Long)
47th
Hexdump
20th
Intersection
25th
Inventory Sequence
37th
ISBN
35th
Jacobi Symbol
21st
Kaprekar Numbers
11th
Kolakoski Constant
14th
Kolakoski Sequence
43rd
Leap Years
54th
Levenshtein Distance
48th
Leyland Numbers
32nd
ln 2
21st
Look and Say
70th
Lucky Numbers
27th
Lucky Tickets
26th
Mahjong
9th
Maze
17th
Medal Tally
20th
Morse Decoder
25th
Morse Encoder
16th
Musical Chords
13th
N Queens
12th
Niven Numbers
1st
Niven Numbers (Long)
15th
Number Spiral
25th
Odious Numbers
11th
Odious Numbers (Long)
31st
Ordinal Numbers
53rd
PalindromemordnilaP
15th
Pangram Grep
11th
Partition Numbers
21st
Pascal’s Triangle
31st
Pernicious Numbers
53rd
Pernicious Numbers (Long)
21st
Poker
14th
Polyominoes
9th
Prime Numbers
48th
Prime Numbers (Long)
23rd
Proximity Grid
22nd
QR Decoder
18th
Quine
29th
Recamán
35th
Repeating Decimals
17th
Reverse Polish Notation
30th
Reversi
15th
Rijndael S-box
13th
Rock-paper-scissors-Spock-lizard
33rd
Roman to Arabic
15th
ROT13
46th
Rule 110
34th
Set
20th
Seven Segment
21st
SI Units
5th
Sierpiński Triangle
14th
Smith Numbers
30th
Spelling Numbers
27th
Star Wars Opening Crawl
17th
Sudoku
16th
Sudoku (Fill-in)
17th
Ten-pin Bowling
22nd
Tic-tac-toe
26th
Time Distance
15th
Tongue-twisters
33rd
Transpose Sentence
16th
United States
33rd
Vampire Numbers
19th
Van Eck Sequence
32nd
Zeckendorf Representation
11th
Zodiac Signs
20th
γ
13th
λ
20th
π
22nd
τ
31st
φ
53rd
√2
43rd
𝑒
24th