12 Days of Christmas
7th
30th
24 Game
19th
99 Bottles of Beer
6th
47th
Abundant Numbers
34th
27th
Abundant Numbers (Long)
16th
28th
Arabic to Roman
23rd
Arithmetic Numbers
23rd
Arrows
45th
Ascending Primes
30th
ASCII Table
7th
15th
Billiards
53rd
brainfuck
17th
Card Number Validation
37th
Catalan Numbers
1st
Catalan’s Constant
27th
26th
Christmas Trees
4th
17th
Collatz
32nd
CSS Colors
13th
Cubes
18th
Day of Week
1st
DFA Simulator
35th
Diamonds
8th
6th
Divisors
1st
Emirp Numbers
29th
38th
Emirp Numbers (Long)
33rd
Emojify
42nd
Evil Numbers
8th
1st
Evil Numbers (Long)
1st
Factorial Factorisation
23rd
Farey Sequence
54th
Fibonacci
6th45th1st
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
29th
Fractions
46th
Game of Life
7th
Gijswijt’s Sequence
45th
Happy Numbers
29th
1st
Happy Numbers (Long)
18th
Hexdump
50th
Hilbert Curve
19th
Intersection
32nd
Inventory Sequence
43rd
ISBN
29th
Jacobi Symbol
27th
Kaprekar Numbers
36th
Kolakoski Constant
25th
26th
Kolakoski Sequence
7th
19th
Leap Years
10th
14th
Levenshtein Distance
64th
Leyland Numbers
24th
7th
ln 2
72nd
Look and Say
18th
21st
Lucky Numbers
20th
Lucky Tickets
35th
Mahjong
13th
Mandelbrot
9th
Maze
25th
Medal Tally
12th
Morse Decoder
17th
Morse Encoder
3rd
25th
Musical Chords
13th
N Queens
13th
Niven Numbers
28th
36th
Niven Numbers (Long)
37th
Number Spiral
8th
Odious Numbers
10th
1st
Odious Numbers (Long)
1st
Ordinal Numbers
67th
PalindromemordnilaP
6th
Pangram Grep
53rd
Partition Numbers
34th
Pascal’s Triangle
1st
Pernicious Numbers
4th
89th
Pernicious Numbers (Long)
58th
Poker
7th
Polyominoes
25th
Prime Numbers
25th37th123rd
Prime Numbers (Long)
49th
Proximity Grid
15th
QR Decoder
12th
Quine
1st
Recamán
24th
56th
Repeating Decimals
21st
Reverse Polish Notation
52nd40th
Reversi
19th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
23rd
Roman to Arabic
32nd
ROT13
80th
Rule 110
31st
Scrambled Sort
6th
Set
39th
Seven Segment
35th
SI Units
11th
Sierpiński Triangle
4th
16th
Smith Numbers
18th
6th
Spelling Numbers
29th
Star Wars GPT
19th
Star Wars Opening Crawl
15th
Sudoku
2nd
Sudoku (Fill-in)
8th
Ten-pin Bowling
17th
Tic-tac-toe
5th
Time Distance
30th
Tongue-twisters
34th
Topological Sort
23rd
Transpose Sentence
18th
Trinomial Triangle
43rd
United States
75th
Vampire Numbers
20th
52nd
Van Eck Sequence
21st
Zeckendorf Representation
25th
Zodiac Signs
19th
γ
42nd
λ
42nd
24th
π
53rd
39th
τ
41st
50th
φ
37th
46th
√2
40th
1st
𝑒
47th
1st