12 Days of Christmas
32nd
24 Game
13th
99 Bottles of Beer
74th
Abundant Numbers
26th
Abundant Numbers (Long)
11th
Arabic to Roman
37th
Arithmetic Numbers
29th
Arrows
23rd
Ascending Primes
24th
ASCII Table
33rd
Billiards
20th
brainfuck
85th
Card Number Validation
28th
Catalan Numbers
39th
Catalan’s Constant
22nd
Christmas Trees
27th
Collatz
27th
CSS Colors
23rd
Cubes
35th
Day of Week
105th
DFA Simulator
19th
Diamonds
33rd
Divisors
30th
Emirp Numbers
16th
Emirp Numbers (Long)
16th
Emojify
11th
Evil Numbers
14th
Evil Numbers (Long)
13th
Factorial Factorisation
16th
Farey Sequence
24th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
52nd
Forsyth–Edwards Notation
10th
Fractions
35th
Game of Life
27th
Gijswijt’s Sequence
7th
Happy Numbers
17th
Happy Numbers (Long)
47th
Hexdump
21st
Intersection
26th
Inventory Sequence
39th
ISBN
37th
Jacobi Symbol
22nd
Kaprekar Numbers
11th
Kolakoski Constant
14th
Kolakoski Sequence
43rd
Leap Years
57th
Levenshtein Distance
51st
Leyland Numbers
33rd
ln 2
21st
Look and Say
72nd
Lucky Numbers
27th
Lucky Tickets
26th
Mahjong
9th
Maze
17th
Medal Tally
20th
Morse Decoder
25th
Morse Encoder
16th
Musical Chords
14th
N Queens
12th
Niven Numbers
1st
Niven Numbers (Long)
16th
Number Spiral
26th
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
14th
Polyominoes
9th
Prime Numbers
51st
Prime Numbers (Long)
25th
Proximity Grid
22nd
QR Decoder
19th
Quine
30th
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
49th
Rule 110
34th
Set
20th
Seven Segment
21st
SI Units
5th
Sierpiński Triangle
14th
Smith Numbers
31st
Spelling Numbers
28th
Star Wars Opening Crawl
17th
Sudoku
16th
Sudoku (Fill-in)
18th
Ten-pin Bowling
22nd
Tic-tac-toe
26th
Time Distance
16th
Tongue-twisters
36th
Transpose Sentence
16th
United States
36th
Vampire Numbers
19th
Van Eck Sequence
32nd
Zeckendorf Representation
11th
Zodiac Signs
21st
γ
13th
λ
20th
π
24th
τ
32nd
φ
55th
√2
47th
𝑒
27th