12 Days of Christmas
2nd
16th
24 Game
18th
99 Bottles of Beer
7th
16th
Abundant Numbers
36th
Abundant Numbers (Long)
14th
7th
Arabic to Roman
49th
22nd
Arithmetic Numbers
11th
Arrows
26th
Ascending Primes
13th
51st
ASCII Table
13th
42nd
Billiards
14th
brainfuck
25th
17th
Calendar
24th
Card Number Validation
5th
20th
Catalan Numbers
90th
Catalan’s Constant
5th
17th
Christmas Trees
30th
23rd
10th
36th
Collatz
7th
5th
Continued Fractions
1st
CSS Colors
1st
Cubes
28th
Day of Week
31st
79th50th
DFA Simulator
15th
Diamonds
12th
17th
11th
6th
59th
17th
Divisors
16th
14th
1st
Emirp Numbers
15th
Emirp Numbers (Long)
38th
7th
Emojify
23rd
Evil Numbers
10th
1st
15th
Evil Numbers (Long)
41st
Factorial Factorisation
12th
29th
10th
Farey Sequence
30th
Fibonacci
73rd9th9th30th44th3rd18th30th102nd86th60th19th31st18th18th35th23rd31st
11th12th
23rd98th31st19th36th12th15th26th39th145th19th1st16th7th1st27th21st11th7th68th31st1st17th10th7th8th1st15th7th22nd1st10th25th
12th
Fizz Buzz
5th
21st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
33rd
Fractions
38th
Game of Life
20th
Gijswijt’s Sequence
40th
Gray Code Decoder
12th
9th
13th
5th
Gray Code Encoder
10th
4th
12th
1st
Happy Numbers
9th
54th
Happy Numbers (Long)
21st
Hexdump
39th
Intersection
25th
Inventory Sequence
1st
ISBN
5th
5th
42nd
Jacobi Symbol
19th
Kaprekar Numbers
27th
38th
12th
Kolakoski Constant
22nd
Kolakoski Sequence
43rd
Leap Years
16th
17th
Levenshtein Distance
57th
7th
Leyland Numbers
1st
ln 2
1st
Look and Say
10th
12th
Lucky Numbers
15th6th
73rd
Lucky Tickets
73rd
Mahjong
9th
Mandelbrot
21st
20th
Maze
18th
Medal Tally
11th
Minesweeper
15th
Morse Decoder
14th
Morse Encoder
14th
Multitap Input
15th
Musical Chords
17th
N Queens
19th
14th
Niven Numbers
4th
48th
Niven Numbers (Long)
45th
Number Spiral
6th
33rd
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
50th
PalindromemordnilaP
25th
Pangram Grep
10th
14th
29th
40th
144th
28th
15th
37th
62nd
Partition Numbers
9th
40th
16th
Pascal’s Triangle
1st
Pernicious Numbers
71st
Pernicious Numbers (Long)
1st
Poker
17th
Polyominoes
12th
Prime Numbers
20th
15th
76th
1st
1st
12th
Prime Numbers (Long)
16th
1st
58th
1st
Proximity Grid
16th
QR Decoder
11th
Quine
1st
66th68th
35th
63rd30th
185th
42nd
77th
1st
2nd
Recamán
31st
Repeating Decimals
71st
Reverse Polish Notation
1st
17th
Reversi
13th
Rijndael S-box
6th
10th
25th
Rock-paper-scissors-Spock-lizard
33rd
Roman to Arabic
14th
8th
20th
7th
ROT13
21st
1st
Rule 110
52nd
Scrambled Sort
2nd
9th
5th
Set
18th
Seven Segment
10th
SI Units
20th
Sierpiński Triangle
64th
Smith Numbers
55th
15th
Spelling Numbers
52nd
3rd
Star Wars GPT
19th
Star Wars Opening Crawl
15th
Sudoku (Fill-in)
17th
Ten-pin Bowling
4th
29th
Tic-tac-toe
22nd
Time Distance
20th
Tongue-twisters
6th
13th
10th
11th
Topological Sort
11th
Tower of Hanoi
7th14th
16th1st11th
10th17th
9th
21st
10th
4th
Transpose Sentence
1st
15th
23rd
Trinomial Triangle
11th
United States
30th
Vampire Numbers
39th
Van Eck Sequence
7th
37th
Zeckendorf Representation
20th
Zodiac Signs
8th
24th
5th
γ
5th
4th
7th
5th
λ
17th
π
12th
12th
7th
τ
9th
φ
59th
√2
9th
1st
𝑒
10th
1st14th