12 Days of Christmas
19th
24 Game
12th
99 Bottles of Beer
13th
Abundant Numbers
1st
10th
Abundant Numbers (Long)
1st
71st
Arabic to Roman
3rd
Arithmetic Numbers
23rd
Arrows
7th
7th
Ascending Primes
23rd
ASCII Table
15th
Billiards
13th
brainfuck
30th
Card Number Validation
19th
Catalan Numbers
1st
Catalan’s Constant
13th
Christmas Trees
16th
Collatz
26th
31st
CSS Colors
1st
5th
Cubes
22nd
Day of Week
6th
8th
1st
DFA Simulator
30th
Diamonds
25th
16th
55th
Divisors
26th
337th
Emirp Numbers
20th
94th
Emirp Numbers (Long)
18th
22nd
Emojify
30th
Evil Numbers
1st
294th
Evil Numbers (Long)
1st
194th
15th
Factorial Factorisation
13th
Farey Sequence
46th
Fibonacci
42nd
144th
Fizz Buzz
529th1,323rd37th
275th54th
312th
Foo Fizz Buzz Bar
22nd
1st
Forsyth–Edwards Notation
6th
14th
Fractions
24th
10th
1st
Game of Life
9th
26th
Gijswijt’s Sequence
8th
Happy Numbers
12th83rd
1st
1st
Happy Numbers (Long)
1st
29th
Hexdump
46th
Intersection
26th
Inventory Sequence
27th
ISBN
25th14th21st
18th
59th
Jacobi Symbol
15th
Kaprekar Numbers
10th
Kolakoski Constant
2nd
Kolakoski Sequence
19th
Leap Years
17th
81st
Levenshtein Distance
34th
Leyland Numbers
7th
ln 2
53rd
Look and Say
8th
4th
Lucky Numbers
33rd
12th
20th
Lucky Tickets
25th
Mahjong
💎
Mandelbrot
20th
Maze
19th
Medal Tally
17th
Morse Decoder
20th
Morse Encoder
8th
Musical Chords
10th
N Queens
4th
Niven Numbers
19th
66th
Niven Numbers (Long)
19th
37th
Number Spiral
26th
Odious Numbers
1st
143rd
Odious Numbers (Long)
1st
98th
Ordinal Numbers
12th
65th
PalindromemordnilaP
19th
Pangram Grep
21st28th
183rd7th
8th
36th
88th
15th29th
Partition Numbers
20th
Pascal’s Triangle
30th
22nd
1st
Pernicious Numbers
19th
101st
Pernicious Numbers (Long)
19th
32nd
Poker
16th
Polyominoes
5th
Prime Numbers
38th1st
41st
145th
Prime Numbers (Long)
1st
40th
48th
Proximity Grid
9th
QR Decoder
9th
Quine
63rd
Recamán
23rd
Repeating Decimals
1st
Reverse Polish Notation
2nd
Reversi
18th
Rijndael S-box
14th
Rock-paper-scissors-Spock-lizard
16th
Roman to Arabic
32nd
ROT13
46th
Rule 110
21st
Scrambled Sort
6th
Set
28th
Seven Segment
18th
SI Units
2nd
Sierpiński Triangle
16th
Smith Numbers
14th
Spelling Numbers
8th
Star Wars GPT
1st
Star Wars Opening Crawl
7th
Sudoku
8th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
5th
Tic-tac-toe
20th
Time Distance
6th
12th
Tongue-twisters
47th
Topological Sort
12th
Transpose Sentence
3rd
United States
49th
Vampire Numbers
22nd
Van Eck Sequence
1st
Zeckendorf Representation
25th
Zodiac Signs
15th
γ
3rd
λ
2nd
π
13th
τ
9th
φ
42nd
√2
88th
𝑒
76th32nd