12 Days of Christmas
2nd17th
24 Game
6th
99 Bottles of Beer
4th41st
Abundant Numbers
17th6th26th920th
Abundant Numbers (Long)
2nd
Arabic to Roman
7th11th
Arithmetic Numbers
22nd
Arrows
13th
Ascending Primes
9th
ASCII Table
8th
Billiards
6th
brainfuck
3rd21st
Card Number Validation
6th
Catalan Numbers
9th
Catalan’s Constant
11th
Christmas Trees
10th15th
Collatz
40th
CSS Colors
10th16th
Cubes
10th21st
Day of Week
1st
DFA Simulator
2nd
Diamonds
4th8th85th
Divisors
24th
15th30th1st
Emirp Numbers
13th1st16th210th
Emirp Numbers (Long)
3rd
Emojify
6th
Evil Numbers
8th19th10th14th354th
Evil Numbers (Long)
9th
Factorial Factorisation
5th
Farey Sequence
15th
Fibonacci
31st35th1st1st173rd
Fizz Buzz
3rd1st54th
Foo Fizz Buzz Bar
3rd
Forsyth–Edwards Notation
2nd
Fractions
4th
Game of Life
10th
Gijswijt’s Sequence
4th
Happy Numbers
20th7th40th
Happy Numbers (Long)
1st
Hexdump
5th
Intersection
8th16th
Inventory Sequence
9th
ISBN
1st
Jacobi Symbol
7th
Kaprekar Numbers
7th
Kolakoski Constant
8th13th
Kolakoski Sequence
13th5th24th
Leap Years
19th9th7th1st161st
Levenshtein Distance
3rd7th
Leyland Numbers
11th2nd19th
Look and Say
💎1st
Lucky Numbers
3rd
Lucky Tickets
5th18th
Mandelbrot
11th
Maze
2nd
Medal Tally
9th
Morse Decoder
6th26th
Morse Encoder
7th14th
Musical Chords
4th
N Queens
6th
Niven Numbers
1st1st
Niven Numbers (Long)
1st
Number Spiral
6th
Odious Numbers
20th10th39th
Odious Numbers (Long)
9th
Ordinal Numbers
5th1st125th
PalindromemordnilaP
5th
Pangram Grep
4th1st
Partition Numbers
8th
Pascal’s Triangle
9th20th
Pernicious Numbers
32nd54th
Pernicious Numbers (Long)
10th
Poker
3rd9th
Prime Numbers
10th20th14th1st
Prime Numbers (Long)
22nd
Proximity Grid
7th
Quine
1st30th
Recamán
13th8th25th
Repeating Decimals
2nd
Reverse Polish Notation
6th
Rijndael S-box
20th
Rock-paper-scissors-Spock-lizard
4th9th
Roman to Arabic
7th11th
ROT13
4th
Rule 110
5th15th
Scrambled Sort
1st
Seven Segment
5th22nd
SI Units
7th
Sierpiński Triangle
13th24th
Smith Numbers
15th9th
Spelling Numbers
6th2nd
Star Wars Opening Crawl
2nd
Sudoku
4th10th
Sudoku (Fill-in)
8th
Ten-pin Bowling
3rd10th
Tic-tac-toe
4th
Time Distance
9th
Tongue-twisters
4th25th
Topological Sort
3rd
Transpose Sentence
5th
United States
6th
Vampire Numbers
18th3rd9th
Van Eck Sequence
16th8th
Zeckendorf Representation
3rd
Zodiac Signs
4th
γ
10th
λ
3rd60th127th
π
8th37th
τ
7th27th
φ
8th20th
√2
1st24th165th
𝑒
3rd32nd