12 Days of Christmas
9th
24 Game
10th
99 Bottles of Beer
19th
Abundant Numbers
11th
Abundant Numbers (Long)
10th
Arabic to Roman
23rd
Arithmetic Numbers
12th
Arrows
5th
Ascending Primes
19th
ASCII Table
13th
Billiards
8th
brainfuck
24th
Card Number Validation
13th
Catalan Numbers
36th
Catalan’s Constant
11th
Christmas Trees
40th
Collatz
25th
CSS Colors
7th
Cubes
15th
Day of Week
1st
DFA Simulator
7th
Diamonds
14th
Divisors
20th
Emirp Numbers
11th
Emirp Numbers (Long)
7th
Emojify
2nd
Evil Numbers
14th
Evil Numbers (Long)
13th
Factorial Factorisation
14th
Farey Sequence
26th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
11th
Forsyth–Edwards Notation
9th
Fractions
17th
Game of Life
8th
Gijswijt’s Sequence
17th
Happy Numbers
10th
Happy Numbers (Long)
10th
Hexdump
12th
Intersection
21st
Inventory Sequence
4th
ISBN
21st
Jacobi Symbol
25th
Kaprekar Numbers
20th
Kolakoski Constant
17th
Kolakoski Sequence
18th
Leap Years
1st
Levenshtein Distance
49th
Leyland Numbers
24th
ln 2
24th
Look and Say
75th
Lucky Numbers
7th
Lucky Tickets
24th
Mahjong
5th
Maze
18th
Medal Tally
5th
Morse Decoder
8th
Morse Encoder
5th
Musical Chords
25th
N Queens
11th
Niven Numbers
1st
Niven Numbers (Long)
1st
Number Spiral
26th
Odious Numbers
11th
Odious Numbers (Long)
11th
Ordinal Numbers
1st
PalindromemordnilaP
12th
Pangram Grep
10th
Pascal’s Triangle
37th
Pernicious Numbers
1st
Pernicious Numbers (Long)
6th
Poker
14th
Polyominoes
8th
Prime Numbers
1st
Prime Numbers (Long)
33rd
Proximity Grid
15th
QR Decoder
17th
Quine
1st
Recamán
1st
Repeating Decimals
9th
Reverse Polish Notation
41st
Reversi
11th
Rijndael S-box
10th
Rock-paper-scissors-Spock-lizard
1st
Roman to Arabic
16th
ROT13
11th
Rule 110
16th
Seven Segment
30th
SI Units
3rd
Sierpiński Triangle
35th
Smith Numbers
32nd
Spelling Numbers
18th
Star Wars Opening Crawl
14th
Sudoku
8th
Sudoku (Fill-in)
11th
Ten-pin Bowling
11th
Time Distance
7th
Tongue-twisters
13th
Transpose Sentence
14th
United States
3rd
Vampire Numbers
13th
Van Eck Sequence
22nd
Zeckendorf Representation
9th
Zodiac Signs
7th
γ
13th
λ
24th
π
11th
τ
11th
φ
38th
√2
43rd
𝑒
1st