12 Days of Christmas
12th
24 Game
5th
99 Bottles of Beer
20th32nd
Abundant Numbers
13th58th33rd
Abundant Numbers (Long)
7th
Arabic to Roman
Arithmetic Numbers
6th
Arrows
Ascending Primes
5th
ASCII Table
14th43rd
Billiards
brainfuck
Card Number Validation
Catalan Numbers
6th
Catalan’s Constant
6th
Christmas Trees
23rd
Collatz
9th49th
CSS Colors
Cubes
19th
Day of Week
DFA Simulator
Diamonds
17th
Divisors
19th42nd18th19th58th355th1st
Emirp Numbers
12th
Emirp Numbers (Long)
8th
Emojify
Evil Numbers
11th46th38th1st22nd219th15th
Evil Numbers (Long)
8th49th26th1st
Factorial Factorisation
3rd14th6th
Farey Sequence
3rd27th
Fibonacci
18th167th1st34th146th148th7th
Fizz Buzz
89th248th27th61st350th49th80th
Foo Fizz Buzz Bar
12th
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
6th
Happy Numbers
8th41st
Happy Numbers (Long)
8th43rd
Hexdump
Intersection
Inventory Sequence
6th26th
ISBN
Jacobi Symbol
Kaprekar Numbers
3rd18th9th
Kolakoski Constant
6th
Kolakoski Sequence
14th
Leap Years
16th44th19th
Levenshtein Distance
Leyland Numbers
6th
ln 2
7th
Look and Say
10th
Lucky Numbers
4th
Lucky Tickets
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
3rd16th
Niven Numbers
16th35th14th
Niven Numbers (Long)
7th
Number Spiral
7th
Odious Numbers
12th43rd33rd1st21st123rd14th
Odious Numbers (Long)
7th41st22nd1st
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
7th63rd
Pernicious Numbers
9th44th
Pernicious Numbers (Long)
7th26th
Poker
Polyominoes
Prime Numbers
10th105th27th30th65th64th14th
Prime Numbers (Long)
8th65th16th
Proximity Grid
QR Decoder
Quine
Recamán
11th
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
5th17th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
16th
Seven Segment
SI Units
Sierpiński Triangle
8th38th
Smith Numbers
4th
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
5th
Transpose Sentence
United States
Vampire Numbers
4th
Van Eck Sequence
4th
Zeckendorf Representation
Zodiac Signs
γ
6th
λ
12th
π
12th47th18th
τ
11th
φ
12th
√2
12th
𝑒
13th40th