12 Days of Christmas
21st
24 Game
99 Bottles of Beer
28th
Abundant Numbers
20th
Abundant Numbers (Long)
20th
Arabic to Roman
40th
Arithmetic Numbers
22nd
Arrows
33rd
Ascending Primes
22nd
ASCII Table
34th
Billiards
15th
brainfuck
26th
Card Number Validation
21st
Catalan Numbers
44th
Catalan’s Constant
21st
Christmas Trees
79th
Collatz
40th
CSS Colors
2nd
Cubes
32nd
Day of Week
90th
26th
DFA Simulator
16th
Diamonds
46th
25th
Divisors
44th
Emirp Numbers
35th
Emirp Numbers (Long)
19th
Emojify
19th
Evil Numbers
77th
Evil Numbers (Long)
45th
Factorial Factorisation
24th
Farey Sequence
26th
Fibonacci
8th
Fizz Buzz
1st
Foo Fizz Buzz Bar
16th
Forsyth–Edwards Notation
26th
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
23rd
Happy Numbers
36th
Happy Numbers (Long)
50th
Hexdump
26th
Hilbert Curve
14th
Intersection
34th
Inventory Sequence
30th
ISBN
27th
Jacobi Symbol
21st
Kaprekar Numbers
18th
Kolakoski Constant
32nd
Kolakoski Sequence
39th
Leap Years
30th
Levenshtein Distance
1st
Leyland Numbers
27th
ln 2
21st
Look and Say
46th
Lucky Numbers
28th
Lucky Tickets
25th
Mahjong
11th
Mandelbrot
17th
Maze
20th
Medal Tally
13th
Morse Decoder
21st
Morse Encoder
25th
Musical Chords
21st
N Queens
10th
Niven Numbers
43rd
Niven Numbers (Long)
1st
Number Spiral
20th
Odious Numbers
64th
Odious Numbers (Long)
39th
Ordinal Numbers
19th
PalindromemordnilaP
20th
Pangram Grep
5th
Partition Numbers
5th23rd
Pascal’s Triangle
78th
Pernicious Numbers
54th
Pernicious Numbers (Long)
34th
Poker
18th
Polyominoes
12th
Prime Numbers
24th
Prime Numbers (Long)
1st
Proximity Grid
18th
QR Decoder
10th
Quine
Recamán
41st
Repeating Decimals
20th
Reverse Polish Notation
14th
Reversi
19th
Rijndael S-box
21st
Rock-paper-scissors-Spock-lizard
39th
Roman to Arabic
44th
ROT13
6th1st8th1st1st2nd
Rule 110
44th
Scrambled Sort
3rd
Set
14th
Seven Segment
15th
SI Units
11th
Sierpiński Triangle
30th
Smith Numbers
27th
Spelling Numbers
16th
Star Wars GPT
15th
Star Wars Opening Crawl
24th
Sudoku
19th
Sudoku (Fill-in)
22nd
Ten-pin Bowling
28th
Tic-tac-toe
25th
Time Distance
20th
Tongue-twisters
36th
Topological Sort
15th
Tower of Hanoi
24th
Transpose Sentence
25th
Trinomial Triangle
26th
United States
23rd
Vampire Numbers
31st
Van Eck Sequence
29th
Zeckendorf Representation
18th
Zodiac Signs
17th
γ
13th
λ
16th
π
23rd
τ
24th
φ
39th
√2
32nd
𝑒
27th