12 Days of Christmas
17th
24 Game
33rd
99 Bottles of Beer
16th
Abundant Numbers
51st
Abundant Numbers (Long)
28th
Arabic to Roman
20th
Arithmetic Numbers
10th
Arrows
41st
Ascending Primes
27th
ASCII Table
33rd
Billiards
45th
brainfuck
12th
Card Number Validation
14th
Catalan Numbers
124th
Catalan’s Constant
47th
Christmas Trees
53rd
Collatz
134th
CSS Colors
44th
Cubes
34th
Day of Week
1st
DFA Simulator
17th
Diamonds
27th
Divisors
159th1st
Emirp Numbers
93rd
Emirp Numbers (Long)
19th
Emojify
36th
Evil Numbers
128th
Evil Numbers (Long)
35th
Factorial Factorisation
61st
Farey Sequence
54th
Fibonacci
178th
Fizz Buzz
54th
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
22nd
Fractions
1st
Game of Life
23rd
Gijswijt’s Sequence
27th
Happy Numbers
136th
Happy Numbers (Long)
54th
Hexdump
35th
Hilbert Curve
8th
Intersection
59th
Inventory Sequence
43rd
ISBN
46th
Jacobi Symbol
34th
Kaprekar Numbers
31st
Kolakoski Constant
73rd
Kolakoski Sequence
71st
Leap Years
51st
Levenshtein Distance
29th
Leyland Numbers
7th
ln 2
1st
Look and Say
21st
Lucky Numbers
43rd
Lucky Tickets
84th
Mahjong
12th
Mandelbrot
29th
Maze
19th
Medal Tally
26th
Morse Decoder
28th
Morse Encoder
20th
Musical Chords
16th
N Queens
31st
Niven Numbers
68th
Niven Numbers (Long)
37th
Number Spiral
24th
Odious Numbers
148th
Odious Numbers (Long)
148th
Ordinal Numbers
82nd
PalindromemordnilaP
33rd
Pangram Grep
53rd
Partition Numbers
42nd
Pascal’s Triangle
119th
Pernicious Numbers
154th
Pernicious Numbers (Long)
58th
Poker
16th
Polyominoes
33rd
Prime Numbers
123rd
Prime Numbers (Long)
1st
Proximity Grid
20th
QR Decoder
44th
Quine
67th
Recamán
56th
Repeating Decimals
26th
Reverse Polish Notation
71st
Reversi
12th
Rijndael S-box
32nd
Rock-paper-scissors-Spock-lizard
20th
Roman to Arabic
54th
ROT13
47th
Rule 110
64th
Scrambled Sort
6th
Set
29th
Seven Segment
21st
SI Units
14th
Sierpiński Triangle
59th
Smith Numbers
22nd
Spelling Numbers
16th
Star Wars GPT
1st
Star Wars Opening Crawl
16th
Sudoku
31st
Sudoku (Fill-in)
22nd
Ten-pin Bowling
19th
Tic-tac-toe
10th
Time Distance
11th
Tongue-twisters
76th
Topological Sort
27th
Transpose Sentence
48th
Trinomial Triangle
16th
United States
11th
Vampire Numbers
31st
Van Eck Sequence
98th
Zeckendorf Representation
60th
Zodiac Signs
14th
γ
53rd
λ
33rd
π
60th
τ
67th
φ
66th
√2
1st
𝑒
1st