12 Days of Christmas
2nd
24 Game
7th
99 Bottles of Beer
3rd
Abundant Numbers
8th
Abundant Numbers (Long)
11th
Arabic to Roman
4th
Arithmetic Numbers
12th
Arrows
10th
Ascending Primes
10th
ASCII Table
9th
Billiards
4th
brainfuck
4th
Card Number Validation
15th
Catalan Numbers
1st
Catalan’s Constant
14th
Christmas Trees
8th
Collatz
28th
CSS Colors
5th
Cubes
💎
Day of Week
1st
DFA Simulator
6th
Diamonds
22nd
Divisors
1st
Emirp Numbers
6th
Emirp Numbers (Long)
5th
Emojify
18th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
8th
Farey Sequence
17th
Fibonacci
1st
Fizz Buzz
16th
Foo Fizz Buzz Bar
13th
Forsyth–Edwards Notation
9th
Fractions
1st
Game of Life
6th
Gijswijt’s Sequence
6th
Happy Numbers
1st
Happy Numbers (Long)
15th
Hexdump
9th
Intersection
12th
Inventory Sequence
10th
ISBN
9th
Jacobi Symbol
8th
Kaprekar Numbers
10th
Kolakoski Constant
9th
Kolakoski Sequence
11th
Leap Years
12th
Levenshtein Distance
1st
Leyland Numbers
1st
ln 2
1st
Look and Say
4th
Lucky Numbers
1st
Lucky Tickets
18th
Mahjong
4th
Maze
14th
Medal Tally
9th
Morse Decoder
7th
Morse Encoder
7th
Musical Chords
4th
N Queens
8th
Niven Numbers
1st
Niven Numbers (Long)
14th
Number Spiral
15th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
3rd
PalindromemordnilaP
7th
Pangram Grep
10th
Pascal’s Triangle
15th
Pernicious Numbers
57th
Pernicious Numbers (Long)
1st
Poker
3rd
Polyominoes
6th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
2nd
QR Decoder
6th
Quine
1st
Recamán
23rd
Repeating Decimals
1st
Reverse Polish Notation
13th
Reversi
10th
Rijndael S-box
7th
Rock-paper-scissors-Spock-lizard
5th
Roman to Arabic
17th
Rule 110
5th
Seven Segment
1st
SI Units
3rd
Sierpiński Triangle
8th
Smith Numbers
7th
Spelling Numbers
10th
Star Wars Opening Crawl
5th
Sudoku
8th
Sudoku (Fill-in)
4th
Ten-pin Bowling
10th
Time Distance
11th
Tongue-twisters
12th
Transpose Sentence
8th
United States
23rd
Vampire Numbers
5th
Van Eck Sequence
13th
Zeckendorf Representation
7th
Zodiac Signs
11th
γ
7th
λ
5th
π
7th
τ
5th
φ
1st
√2
1st
𝑒
1st