12 Days of Christmas
2nd
16th
24 Game
17th
99 Bottles of Beer
7th
16th
Abundant Numbers
15th
Abundant Numbers (Long)
14th
5th
Alphabetic Numbers
11th
Arabic to Roman
51st
21st
Arithmetic Numbers
11th
Arrows
26th
Ascending Primes
14th
56th
ASCII Table
14th
31st
Billiards
15th
brainfuck
25th
17th
Calendar
28th
Card Number Validation
6th
20th
Catalan Numbers
95th
Catalan’s Constant
5th
17th
Christmas Trees
31st
23rd
11th
37th
Collatz
7th
6th
Continued Fractions
1st
CSS Colors
1st
Cubes
29th
Day of Week
31st
84th1st
DFA Simulator
15th
Diamonds
11th
17th
12th
6th
60th
18th
Divisors
15th
14th
1st
Emirp Numbers
16th
Emirp Numbers (Long)
38th
7th
Emojify
23rd
Evil Numbers
10th
1st
15th
Evil Numbers (Long)
43rd
Factorial Factorisation
12th
28th
10th
Farey Sequence
30th
Fibonacci
75th9th10th32nd44th3rd20th29th105th89th63rd20th30th17th18th18th37th25th34th14th11th9th6th25th101st34th21st36th12th15th26th46th146th20th1st16th7th1st29th22nd11th7th70th31st1st18th11th7th8th1st16th7th22nd1st10th27th
12th
Fizz Buzz
5th
21st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
32nd
Fractions
1st
Game of Life
20th
Gijswijt’s Sequence
41st
Gray Code Decoder
14th
11th
19th
6th
Gray Code Encoder
11th
5th
18th
1st
Happy Numbers
9th
1st
Happy Numbers (Long)
28th
17th
Hexdump
39th
Intersection
25th
Inventory Sequence
1st
ISBN
5th
5th
42nd
Jacobi Symbol
20th
Kaprekar Numbers
27th
41st
13th
Kolakoski Constant
22nd
Kolakoski Sequence
44th
Leap Years
17th
18th
Levenshtein Distance
51st
7th
Leyland Numbers
1st
ln 2
1st
Look and Say
10th
14th
Lucky Numbers
15th8th
76th
Lucky Tickets
77th
Mahjong
9th
Mandelbrot
22nd
22nd
Maze
18th
Medal Tally
11th
Minesweeper
16th
Morse Decoder
15th
Morse Encoder
14th
Multitap Input
12th
Musical Chords
17th
N Queens
21st
15th
Niven Numbers
4th
51st
Niven Numbers (Long)
22nd
Number Spiral
6th
16th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
5th
PalindromemordnilaP
27th
Pangram Grep
10th
15th
33rd
41st
145th
30th
16th
38th
63rd
Partition Numbers
11th
42nd
17th
Pascal’s Triangle
1st
Pernicious Numbers
35th
73rd
Pernicious Numbers (Long)
1st
Poker
17th
Polyominoes
13th
Prime Numbers
20th
15th
78th
1st
1st
12th
Prime Numbers (Long)
17th
1st
1st
1st
Proximity Grid
17th
QR Decoder
11th
Quine
1st
67th70th
22nd
67th33rd
185th
42nd
1st
1st
2nd
Recamán
31st
Repeating Decimals
74th
Reverse Polish Notation
1st
17th
Reversi
15th
Rijndael S-box
6th
10th
25th
Rock-paper-scissors-Spock-lizard
33rd
Roman to Arabic
14th
8th
20th
8th
ROT13
23rd
1st
Rule 110
52nd
Scrambled Sort
2nd
11th
7th
Set
18th
Seven Segment
11th
SI Units
21st
Sierpiński Triangle
24th
Smith Numbers
55th
15th
Spelling Numbers
56th
4th
Star Wars GPT
13th
6th
1st
Star Wars Opening Crawl
15th
Sudoku (Fill-in)
17th
Taxicab Numbers
14th
Ten-pin Bowling
4th
31st
Tic-tac-toe
22nd
Time Distance
20th
Tongue-twisters
6th
13th
10th
11th
Topological Sort
12th
Tower of Hanoi
7th15th
17th1st11th
11th18th
9th
23rd
12th
4th
Transpose Sentence
1st
16th
24th
Trinomial Triangle
12th
United States
30th
Vampire Numbers
38th
Van Eck Sequence
9th
36th
Zeckendorf Representation
21st
Zodiac Signs
8th
23rd
5th
γ
5th
5th
7th
5th
λ
13th
19th
π
5th
13th
7th
τ
9th
φ
36th
√2
9th
1st
𝑒
10th
1st15th