12 Days of Christmas
17th
24 Game
34th
99 Bottles of Beer
16th
Abundant Numbers
51st
Abundant Numbers (Long)
28th
Arabic to Roman
20th
Arithmetic Numbers
10th
Arrows
42nd
Ascending Primes
28th
ASCII Table
34th
Billiards
44th
brainfuck
12th
Card Number Validation
14th
Catalan Numbers
1st
Catalan’s Constant
47th
Christmas Trees
54th
Collatz
32nd
CSS Colors
45th
Cubes
33rd
Day of Week
1st
DFA Simulator
15th
Diamonds
28th
Divisors
160th1st
Emirp Numbers
95th
Emirp Numbers (Long)
19th
Emojify
38th
Evil Numbers
130th
Evil Numbers (Long)
35th
Factorial Factorisation
61st
Farey Sequence
26th
Fibonacci
181st
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
22nd
Fractions
1st
Game of Life
23rd
Gijswijt’s Sequence
27th
Happy Numbers
138th
Happy Numbers (Long)
54th
Hexdump
35th
Hilbert Curve
8th
Intersection
60th
Inventory Sequence
44th
ISBN
18th
Jacobi Symbol
31st
Kaprekar Numbers
32nd
Kolakoski Constant
75th
Kolakoski Sequence
71st
Leap Years
51st
Levenshtein Distance
34th
Leyland Numbers
7th
ln 2
1st
Look and Say
21st
Lucky Numbers
43rd
Lucky Tickets
85th
Mahjong
12th
Mandelbrot
28th
Maze
19th
Medal Tally
21st
Minesweeper
7th
Morse Decoder
29th
Morse Encoder
20th
Musical Chords
16th
N Queens
31st
Niven Numbers
69th
Niven Numbers (Long)
37th
Number Spiral
24th
Odious Numbers
148th
Odious Numbers (Long)
148th
Ordinal Numbers
4th
PalindromemordnilaP
33rd
Pangram Grep
54th
Partition Numbers
40th
Pascal’s Triangle
120th
Pernicious Numbers
154th
Pernicious Numbers (Long)
58th
Poker
16th
Polyominoes
34th
Prime Numbers
126th
Prime Numbers (Long)
1st
Proximity Grid
20th
QR Decoder
33rd
Quine
70th
Recamán
51st
Repeating Decimals
26th
Reverse Polish Notation
53rd
Reversi
9th
Rijndael S-box
33rd
Rock-paper-scissors-Spock-lizard
20th
Roman to Arabic
32nd
ROT13
55th
Rule 110
64th
Scrambled Sort
6th
Set
30th
Seven Segment
21st
SI Units
14th
Sierpiński Triangle
61st
Smith Numbers
22nd
Spelling Numbers
12th
Star Wars GPT
1st
Star Wars Opening Crawl
16th
Sudoku
31st
Sudoku (Fill-in)
8th
Ten-pin Bowling
18th
Tic-tac-toe
10th
Time Distance
4th
Tongue-twisters
77th
Topological Sort
18th
Transpose Sentence
18th
Trinomial Triangle
17th
United States
14th
Vampire Numbers
22nd
Van Eck Sequence
100th
Zeckendorf Representation
61st
Zodiac Signs
14th
γ
53rd
λ
33rd
π
52nd
τ
67th
φ
55th
√2
1st
𝑒
1st