12 Days of Christmas
14th
24 Game
4th
99 Bottles of Beer
18th
Abundant Numbers
11th
Abundant Numbers (Long)
20th
Arabic to Roman
9th
Arithmetic Numbers
14th
Arrows
12th
Ascending Primes
8th
ASCII Table
12th
Billiards
3rd
brainfuck
13th
Card Number Validation
10th
Catalan Numbers
12th
Catalan’s Constant
9th
Christmas Trees
15th
Collatz
24th
CSS Colors
7th
Cubes
9th
Day of Week
1st
DFA Simulator
4th
Diamonds
14th
Divisors
12th
Emirp Numbers
19th
Emirp Numbers (Long)
10th
Emojify
20th
Evil Numbers
28th
Evil Numbers (Long)
18th
Factorial Factorisation
9th
Farey Sequence
9th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
20th
Forsyth–Edwards Notation
9th
Fractions
16th
Game of Life
13th
Gijswijt’s Sequence
5th
Happy Numbers
11th
Happy Numbers (Long)
13th
Hexdump
10th
Intersection
19th
Inventory Sequence
14th
ISBN
18th
Jacobi Symbol
14th
Kaprekar Numbers
9th
Kolakoski Constant
11th
Kolakoski Sequence
22nd
Leap Years
25th
Levenshtein Distance
8th
Leyland Numbers
5th
ln 2
9th
Look and Say
7th
Lucky Numbers
12th
Lucky Tickets
13th
Mahjong
5th
Maze
9th
Medal Tally
8th
Morse Decoder
9th
Morse Encoder
11th
Musical Chords
7th
N Queens
8th
Niven Numbers
25th
Niven Numbers (Long)
26th
Number Spiral
18th
Odious Numbers
27th
Odious Numbers (Long)
13th
Ordinal Numbers
19th
PalindromemordnilaP
7th
Pangram Grep
13th
Pascal’s Triangle
16th
Pernicious Numbers
28th
Pernicious Numbers (Long)
19th
Poker
5th
Polyominoes
8th
Prime Numbers
11th
Prime Numbers (Long)
26th
Proximity Grid
9th
QR Decoder
10th
Quine
1st
Recamán
15th
Repeating Decimals
9th
Reverse Polish Notation
5th
Reversi
9th
Rijndael S-box
12th
Rock-paper-scissors-Spock-lizard
12th
Roman to Arabic
18th
ROT13
5th
Rule 110
18th
Seven Segment
15th
SI Units
5th
Sierpiński Triangle
18th
Smith Numbers
13th
Spelling Numbers
7th
Star Wars Opening Crawl
6th
Sudoku
8th
Sudoku (Fill-in)
11th
Ten-pin Bowling
8th
Time Distance
9th
Tongue-twisters
12th
Transpose Sentence
2nd
United States
12th
Vampire Numbers
14th
Van Eck Sequence
10th
Zeckendorf Representation
10th
Zodiac Signs
9th
γ
5th
λ
8th
π
16th
τ
17th
φ
21st
√2
1st
𝑒
10th