12 Days of Christmas
33rd
24 Game
15th
99 Bottles of Beer
75th
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
88th
Card Number Validation
28th
Catalan Numbers
42nd
Catalan’s Constant
22nd
Christmas Trees
27th
Collatz
28th
CSS Colors
23rd
Cubes
35th
Day of Week
115th
DFA Simulator
19th
Diamonds
33rd
Divisors
32nd
Emirp Numbers
16th
Emirp Numbers (Long)
16th
Emojify
11th
Evil Numbers
15th
Evil Numbers (Long)
13th
Factorial Factorisation
16th
Farey Sequence
24th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
52nd
Forsyth–Edwards Notation
11th
Fractions
35th
Game of Life
28th
Gijswijt’s Sequence
8th
Happy Numbers
17th
Happy Numbers (Long)
49th
Hexdump
21st
Intersection
26th
Inventory Sequence
40th
ISBN
38th
Jacobi Symbol
23rd
Kaprekar Numbers
11th
Kolakoski Constant
14th
Kolakoski Sequence
43rd
Leap Years
60th
Levenshtein Distance
51st
Leyland Numbers
34th
ln 2
21st
Look and Say
72nd
Lucky Numbers
27th
Lucky Tickets
30th
Mahjong
9th
Maze
17th
Medal Tally
21st
Morse Decoder
25th
Morse Encoder
16th
Musical Chords
15th
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
33rd
Pernicious Numbers
55th
Pernicious Numbers (Long)
23rd
Poker
14th
Polyominoes
9th
Prime Numbers
52nd
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
54th
Rule 110
35th
Set
21st
Seven Segment
21st
SI Units
5th
Sierpiński Triangle
14th
Smith Numbers
32nd
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
37th
Transpose Sentence
16th
United States
38th
Vampire Numbers
19th
Van Eck Sequence
33rd
Zeckendorf Representation
11th
Zodiac Signs
22nd
γ
13th
λ
21st
π
26th
τ
32nd
φ
55th
√2
48th
𝑒
27th