12 Days of Christmas
2nd17th
24 Game
6th
99 Bottles of Beer
4th41st
Abundant Numbers
17th6th26th903rd
Abundant Numbers (Long)
2nd
Arabic to Roman
6th11th
Arithmetic Numbers
22nd
Arrows
13th
Ascending Primes
9th
ASCII Table
7th
Billiards
6th
brainfuck
3rd21st
Card Number Validation
4th
Catalan Numbers
5th
Catalan’s Constant
11th
Christmas Trees
10th15th
Collatz
39th
CSS Colors
9th16th
Cubes
10th20th
Day of Week
1st
DFA Simulator
2nd
Diamonds
4th8th82nd
Divisors
24th
14th30th1st
Emirp Numbers
13th1st16th207th
Emirp Numbers (Long)
3rd
Emojify
6th
Evil Numbers
8th19th8th14th342nd
Evil Numbers (Long)
7th
Factorial Factorisation
5th
Farey Sequence
15th
Fibonacci
30th34th1st1st163rd
Fizz Buzz
2nd1st54th
Foo Fizz Buzz Bar
2nd
Forsyth–Edwards Notation
2nd
Fractions
4th
Game of Life
10th
Gijswijt’s Sequence
4th
Happy Numbers
19th7th40th
Happy Numbers (Long)
1st
Hexdump
5th
Intersection
8th16th
Inventory Sequence
8th
ISBN
1st
Jacobi Symbol
7th
Kaprekar Numbers
7th
Kolakoski Constant
8th13th
Kolakoski Sequence
13th5th24th
Leap Years
19th9th7th1st158th
Levenshtein Distance
3rd7th
Leyland Numbers
11th2nd19th
Look and Say
💎1st
Lucky Numbers
3rd
Lucky Tickets
5th18th
Mandelbrot
10th
Maze
2nd
Medal Tally
8th
Morse Decoder
6th25th
Morse Encoder
6th14th
Musical Chords
4th
N Queens
6th
Niven Numbers
1st1st
Niven Numbers (Long)
1st
Number Spiral
6th
Odious Numbers
20th8th38th
Odious Numbers (Long)
7th
Ordinal Numbers
4th1st124th
PalindromemordnilaP
4th
Pangram Grep
4th1st
Partition Numbers
8th
Pascal’s Triangle
8th20th
Pernicious Numbers
31st53rd
Pernicious Numbers (Long)
10th
Poker
3rd9th
Prime Numbers
10th20th12th1st
Prime Numbers (Long)
21st
Proximity Grid
7th
Quine
1st29th
Recamán
13th8th25th
Repeating Decimals
2nd
Reverse Polish Notation
5th
Rijndael S-box
20th
Rock-paper-scissors-Spock-lizard
4th9th
Roman to Arabic
6th11th
ROT13
4th
Rule 110
4th15th
Scrambled Sort
1st
Seven Segment
5th22nd
SI Units
7th
Sierpiński Triangle
11th24th
Smith Numbers
15th9th
Spelling Numbers
6th2nd
Star Wars Opening Crawl
💎
Sudoku
4th10th
Sudoku (Fill-in)
8th
Ten-pin Bowling
3rd10th
Tic-tac-toe
4th
Time Distance
9th
Tongue-twisters
4th24th
Transpose Sentence
5th
United States
5th
Vampire Numbers
18th3rd9th
Van Eck Sequence
16th6th
Zeckendorf Representation
3rd
Zodiac Signs
4th
γ
10th
λ
3rd58th124th
π
8th34th
τ
7th26th
φ
8th20th
√2
1st22nd161st
𝑒
3rd30th