12 Days of Christmas
2nd
15th
24 Game
17th
99 Bottles of Beer
7th
16th
Abundant Numbers
36th
Abundant Numbers (Long)
7th
Arabic to Roman
49th
21st
Arithmetic Numbers
11th
Arrows
25th
Ascending Primes
13th
49th
ASCII Table
13th
40th
Billiards
14th
brainfuck
25th
17th
Calendar
24th
Card Number Validation
5th
20th
Catalan Numbers
88th
Catalan’s Constant
5th
17th
Christmas Trees
30th
23rd
10th
36th
Collatz
7th
5th
Continued Fractions
1st
CSS Colors
1st
Cubes
28th
Day of Week
31st
49th
DFA Simulator
15th
Diamonds
11th
17th
11th
6th
58th
17th
Divisors
15th
14th
1st
Emirp Numbers
15th
Emirp Numbers (Long)
37th
7th
Emojify
23rd
Evil Numbers
10th
1st
15th
Evil Numbers (Long)
41st
Factorial Factorisation
11th
28th
10th
Farey Sequence
30th
Fibonacci
73rd8th30th43rd3rd18th29th102nd86th59th19th29th48th18th35th23rd31st
11th
23rd98th30th18th36th12th15th25th38th144th19th1st16th7th1st27th21st11th7th68th30th189th17th10th7th8th1st15th7th22nd1st9th25th
12th
Fizz Buzz
5th
21st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
32nd
Fractions
37th
Game of Life
20th
Gijswijt’s Sequence
38th
Happy Numbers
9th
53rd
Happy Numbers (Long)
21st
Hexdump
38th
Intersection
25th
Inventory Sequence
1st
ISBN
5th
5th
41st
Jacobi Symbol
19th
Kaprekar Numbers
27th
35th
12th
Kolakoski Constant
22nd
Kolakoski Sequence
43rd
Leap Years
15th
56th
Levenshtein Distance
57th
6th
Leyland Numbers
1st
ln 2
1st
Look and Say
10th
12th
Lucky Numbers
15th6th
71st
Lucky Tickets
71st
Mahjong
9th
Mandelbrot
21st
20th
Maze
18th
Medal Tally
11th
Minesweeper
15th
Morse Decoder
14th
Morse Encoder
14th
Multitap Input
15th
Musical Chords
17th
N Queens
18th
13th
Niven Numbers
4th
44th
Niven Numbers (Long)
43rd
Number Spiral
36th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
49th
PalindromemordnilaP
25th
Pangram Grep
10th
14th
29th
40th
144th
28th
15th
37th
62nd
Partition Numbers
8th
39th
16th
Pascal’s Triangle
1st
Pernicious Numbers
71st
Pernicious Numbers (Long)
1st
Poker
17th
Prime Numbers
20th
15th
76th
1st
1st
12th
Prime Numbers (Long)
16th
1st
56th
1st
Proximity Grid
16th
QR Decoder
11th
Quine
1st
65th68th
35th
63rd29th
185th
42nd
75th
1st
2nd
Recamán
31st
Repeating Decimals
68th
Reverse Polish Notation
1st
17th
Rijndael S-box
6th
10th
24th
Rock-paper-scissors-Spock-lizard
31st
Roman to Arabic
14th
8th
20th
7th
ROT13
21st
1st
Rule 110
51st
Scrambled Sort
2nd
9th
5th
Set
18th
Seven Segment
10th
SI Units
20th
Sierpiński Triangle
63rd
Smith Numbers
54th
15th
Spelling Numbers
52nd
3rd
Star Wars GPT
18th
Star Wars Opening Crawl
15th
Sudoku (Fill-in)
17th
Ten-pin Bowling
4th
29th
Tic-tac-toe
22nd
Time Distance
20th
Tongue-twisters
6th
13th
10th
11th
Topological Sort
11th
Tower of Hanoi
7th13th
16th1st14th
9th17th
9th
21st
10th
4th
Transpose Sentence
1st
23rd
Trinomial Triangle
11th
United States
30th
Vampire Numbers
38th
Van Eck Sequence
7th
35th
Zeckendorf Representation
19th
Zodiac Signs
8th
23rd
5th
γ
5th
4th
7th
5th
λ
17th
π
12th
12th
7th
τ
9th
φ
59th
√2
9th
1st
𝑒
10th
1st13th