12 Days of Christmas
35th
24 Game
17th
6th
99 Bottles of Beer
13th
Abundant Numbers
18th
19th
13th
Abundant Numbers (Long)
19th
18th
16th
Arabic to Roman
15th1st
Arithmetic Numbers
6th
11th
33rd
Arrows
25th
Ascending Primes
15th
ASCII Table
23rd
Billiards
8th
brainfuck
19th
Calendar
1st
1st
Card Number Validation
12th
Catalan Numbers
4th
8th
21st
1st
Catalan’s Constant
16th
Christmas Trees
44th
5th
Collatz
15th
5th
CSS Colors
1st
21st
Cubes
16th
Day of Week
1st
1st
1st1st
DFA Simulator
7th
Diamonds
20th
Divisors
5th
19th
1st
1st
Emirp Numbers
15th
Emirp Numbers (Long)
8th
Emojify
18th
Evil Numbers
157th
8th
28th
1st
1st
85th
Evil Numbers (Long)
95th
8th
26th
1st
1st
Factorial Factorisation
16th
Farey Sequence
20th
Fibonacci
34th
28th
110th
6th
22nd30th
1st
90th41st
1st
87th
1st
142nd7th86th
23rd
Fizz Buzz
11th
32nd
10th
18th
1st
6th
1st
21st
3rd
Foo Fizz Buzz Bar
10th
23rd
19th
Forsyth–Edwards Notation
16th
Fractions
14th
1st
1st
Game of Life
20th
Gijswijt’s Sequence
14th
Happy Numbers
1st
7th
26th
1st
Happy Numbers (Long)
7th
26th
21st
Hexdump
23rd
Hilbert Curve
5th
Intersection
3rd
25th
Inventory Sequence
13th
ISBN
16th
Jacobi Symbol
30th
Kaprekar Numbers
13th
Kolakoski Constant
11th
Kolakoski Sequence
13th
Leap Years
12th
17th
1st
7th16th
Levenshtein Distance
10th
1st
Leyland Numbers
1st
1st
ln 2
1st
9th
1st
Look and Say
13th
Lucky Numbers
16th
Lucky Tickets
1st
1st
Mahjong
9th
Mandelbrot
13th
Maze
7th
Medal Tally
15th
Minesweeper
5th
Morse Decoder
17th
Morse Encoder
25th
Musical Chords
9th
N Queens
11th
Niven Numbers
21st
4th
1st
24th
1st
Niven Numbers (Long)
26th
22nd
20th
Number Spiral
19th
18th
Odious Numbers
131st
9th
22nd
1st
1st
Odious Numbers (Long)
80th
9th
27th
1st
1st
Ordinal Numbers
3rd
PalindromemordnilaP
7th
6th
Pangram Grep
14th12th
75th
33rd
35th
27th
3rd
87th15th
20th
13th
26th
29th
4th
17th
Partition Numbers
8th
Pascal’s Triangle
12th
1st
28th
24th
22nd
Pernicious Numbers
20th
38th
1st
Pernicious Numbers (Long)
13th
1st
Poker
12th
Polyominoes
11th
Prime Numbers
45th
25th
14th
41st
1st
1st
1st
13th
Prime Numbers (Long)
13th
26th
1st
1st
1st
Proximity Grid
12th
QR Decoder
15th
Quine
1st25th1st16th13th74th97th1st11th7th12th8th1st21st4th1st1st26th23rd25th12th1st
1st32nd3rd5th1st185th1st1st
3rd1st22nd1st1st1st5th
1st4th
1st90th1st5th1st47th13th
40th
15th30th
Recamán
8th
22nd
Repeating Decimals
18th
Reverse Polish Notation
1st
27th
Reversi
20th
Rijndael S-box
12th
Rock-paper-scissors-Spock-lizard
11th
Roman to Arabic
7th
20th1st
ROT13
4th
1st
35th
Rule 110
20th
Scrambled Sort
5th
Set
21st
17th
Seven Segment
36th
SI Units
11th
Sierpiński Triangle
23rd
Smith Numbers
12th
Spelling Numbers
1st1st
20th
Star Wars GPT
15th
Star Wars Opening Crawl
16th
Sudoku
12th
Sudoku (Fill-in)
19th
Ten-pin Bowling
17th
Tic-tac-toe
14th
Time Distance
7th
Tongue-twisters
67th
6th
Topological Sort
9th
Tower of Hanoi
3rd
7th
Transpose Sentence
1st
23rd
Trinomial Triangle
5th
10th
United States
30th
Vampire Numbers
18th
Van Eck Sequence
7th
16th
Zeckendorf Representation
13th
Zodiac Signs
22nd
γ
46th
17th
λ
10th
π
3rd
9th
51st
12th
τ
3rd
8th
9th
φ
14th
12th
1st
√2
1st
1st
𝑒
1st
1st10th