12 Days of Christmas
7th
30th
24 Game
23rd
99 Bottles of Beer
6th
47th
Abundant Numbers
33rd
26th
Abundant Numbers (Long)
15th
27th
Arabic to Roman
22nd
Arithmetic Numbers
23rd
Arrows
45th
Ascending Primes
28th
ASCII Table
7th
15th
Billiards
50th
brainfuck
17th
Card Number Validation
37th
Catalan Numbers
1st
Catalan’s Constant
26th
26th
Christmas Trees
4th
16th
Collatz
30th
CSS Colors
13th
Cubes
18th
Day of Week
1st
DFA Simulator
35th
Diamonds
8th
6th
Divisors
1st
Emirp Numbers
29th
37th
Emirp Numbers (Long)
32nd
Emojify
42nd
Evil Numbers
8th
1st
Evil Numbers (Long)
1st
Factorial Factorisation
23rd
Farey Sequence
51st
Fibonacci
6th44th1st
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
29th
Fractions
46th
Game of Life
7th
Gijswijt’s Sequence
41st
Happy Numbers
27th
1st
Happy Numbers (Long)
17th
Hexdump
49th
Intersection
37th
Inventory Sequence
41st
ISBN
29th
Jacobi Symbol
27th
Kaprekar Numbers
34th
Kolakoski Constant
24th
25th
Kolakoski Sequence
7th
19th
Leap Years
10th
13th
Levenshtein Distance
67th
Leyland Numbers
22nd
7th
ln 2
63rd
Look and Say
18th
21st
Lucky Numbers
20th
Lucky Tickets
35th
Mahjong
12th
Mandelbrot
9th
Maze
25th
Medal Tally
12th
Morse Decoder
17th
Morse Encoder
3rd
24th
Musical Chords
13th
N Queens
13th
Niven Numbers
26th
34th
Niven Numbers (Long)
37th
Number Spiral
8th
Odious Numbers
10th
1st
Odious Numbers (Long)
1st
Ordinal Numbers
64th
PalindromemordnilaP
6th
Pangram Grep
52nd
Partition Numbers
33rd
Pascal’s Triangle
1st
Pernicious Numbers
4th
83rd
Pernicious Numbers (Long)
51st
Poker
7th
Polyominoes
22nd
Prime Numbers
25th36th120th
Prime Numbers (Long)
47th
Proximity Grid
15th
QR Decoder
12th
Quine
1st
Recamán
24th
55th
Repeating Decimals
21st
Reverse Polish Notation
51st38th
Reversi
18th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
20th
Roman to Arabic
32nd
ROT13
76th
Rule 110
31st
Scrambled Sort
6th
Set
36th
Seven Segment
34th
SI Units
11th
Sierpiński Triangle
4th
16th
Smith Numbers
18th
6th
Spelling Numbers
28th
Star Wars GPT
16th
Star Wars Opening Crawl
15th
Sudoku
2nd
Sudoku (Fill-in)
8th
Ten-pin Bowling
17th
Tic-tac-toe
5th
Time Distance
29th
Tongue-twisters
34th
Topological Sort
19th
Transpose Sentence
18th
United States
72nd
Vampire Numbers
20th
51st
Van Eck Sequence
21st
Zeckendorf Representation
25th
Zodiac Signs
18th
γ
42nd
λ
41st
24th
π
52nd
37th
τ
40th
48th
φ
36th
41st
√2
39th
112th
𝑒
46th
85th