12 Days of Christmas
128th
231st
24 Game
8th
22nd
99 Bottles of Beer
9th
21st
222nd
Abundant Numbers
21st9th92nd
1st
108th
Abundant Numbers (Long)
20th6th60th
1st
85th
Alphabetic Numbers
14th
Arabic to Roman
8th
48th
26th
Arithmetic Numbers
23rd
21st
136th
Arrows
131st
Ascending Primes
4th
27th
ASCII Table
52nd
Billiards
11th
brainfuck
8th
9th
92nd
12th
Calendar
33rd
Card Number Validation
10th2nd30th
66th
Catalan Numbers
75th
19th
Catalan’s Constant
7th
20th
Christmas Trees
13th
51st
Collatz
9th26th
98th
88th
Continued Fractions
5th
CSS Colors
66th
Cubes
32nd
Day of Week
27th
1st
DFA Simulator
53rd
Diamonds
10th35th73rd
14th
Divisors
55th
1st
302nd
Emirp Numbers
331st
Emirp Numbers (Long)
170th
Emojify
98th
Evil Numbers
💎
71st
75th
1st
Evil Numbers (Long)
💎
3rd61st
14th
46th
Factorial Factorisation
7th20th
44th
Farey Sequence
34th
Fibonacci
4th44th
4th
83rd
1st
67th
209th
29th50th
51st
Fizz Buzz
💎21st
32nd
1st
9th
Foo Fizz Buzz Bar
127th
Forsyth–Edwards Notation
44th
Fractions
117th
Game of Life
21st
Gijswijt’s Sequence
8th
25th
Gray Code Decoder
6th
Gray Code Encoder
1st
Happy Numbers
31st8th
37th
Happy Numbers (Long)
27th
Hexdump
40th
Hilbert Curve
11th
Intersection
34th
Inventory Sequence
50th
148th
ISBN
15th
33rd
25th
90th
Jacobi Symbol
24th
Kaprekar Numbers
19th
Kolakoski Constant
4th
24th
Kolakoski Sequence
24th
96th
Leap Years
💎
107th
1st
7th
42nd
Levenshtein Distance
21st
Leyland Numbers
4th
30th
213th
ln 2
4th
43rd
Look and Say
29th
34th
Lucky Numbers
18th
25th
51st
274th
Lucky Tickets
45th
Mahjong
17th
Mandelbrot
18th
Maze
44th
Medal Tally
33rd
Minesweeper
11th
Morse Decoder
24th
Morse Encoder
73rd
Multitap Input
18th
Musical Chords
34th
N Queens
3rd
18th
Niven Numbers
22nd
508th
Niven Numbers (Long)
287th
Number Spiral
7th
13th
Odious Numbers
💎
72nd
139th
Odious Numbers (Long)
3rd
55th
120th
Ordinal Numbers
27th
PalindromemordnilaP
15th
Pangram Grep
67th
Partition Numbers
10th4th
8th
26th
16th
Pascal’s Triangle
16th10th55th
95th
36th
Pernicious Numbers
12th62nd
Pernicious Numbers (Long)
33rd
28th
Poker
41st
Polyominoes
11th
Prime Numbers
20th
33rd
1st
91st
41st
183rd
25th
Prime Numbers (Long)
18th
37th
1st
64th
Proximity Grid
22nd
QR Decoder
24th
Quine
27th
27th
1st
80th
193rd
1st1st
101st
13th
Recamán
35th
13th
56th19th
Repeating Decimals
33rd
Reverse Polish Notation
22nd
97th
Reversi
97th
Rijndael S-box
13th28th
11th
47th
Rock-paper-scissors-Spock-lizard
19th
Roman to Arabic
23rd
1st
ROT13
3rd7th
22nd
10th
17th29th
11th
Rule 110
13th
Scrambled Sort
8th
Set
38th
Seven Segment
9th
69th
SI Units
12th
Sierpiński Triangle
44th
111th
Smith Numbers
9th
31st
Spelling Numbers
51st
Star Wars GPT
27th
Star Wars Opening Crawl
18th
Sudoku
21st
Sudoku (Fill-in)
21st
Taxicab Numbers
13th
Ten-pin Bowling
25th
Tic-tac-toe
48th
Time Distance
54th
Tongue-twisters
52nd
Topological Sort
4th
9th
7th
5th
Tower of Hanoi
33rd
35th
Transpose Sentence
20th
1st
Trinomial Triangle
5th
8th
4th
Ulam Sequence
8th
United States
10th
56th
Vampire Numbers
34th
Van Eck Sequence
48th
Zeckendorf Representation
27th
9th
Zodiac Signs
52nd
γ
7th
21st
λ
10th
14th
π
2nd
10th
50th
4th
τ
💎
9th
16th
4th
φ
💎
9th
1st
32nd
√2
💎
10th
1st
1st
𝑒
💎11th12th18th15th
13th29th1st
5th