12 Days of Christmas
61st
15th
24 Game
13th
6th
99 Bottles of Beer
33rd
Abundant Numbers
22nd
779th
Abundant Numbers (Long)
23rd
415th
Alphabetic Numbers
3rd
Arabic to Roman
15th
Arithmetic Numbers
23rd
Arrows
17th
13th
21st
15th
20th
Ascending Primes
17th
ASCII Table
22nd
Billiards
7th
Calendar
6th
Card Number Validation
33rd
19th
Catalan Numbers
11th
Catalan’s Constant
10th
Christmas Trees
42nd
17th
Collatz
22nd21st19th23rd196th58th103rd17th14th10th53rd9th21st21st24th14th
10th14th13th15th12th42nd
14th
15th21st19th25th244th
37th40th17th31st18th
12th31st44th31st19th604th20th19th
71st73rd16th
21st
9th13th10th24th
Connect Four
5th
5th
15th
5th
Continued Fractions
6th
CSS Colors
15th
21st119th
22nd
6th
Cubes
6th
Day of Week
19th
Diamonds
33rd
18th
25th
73rd
Divisors
18th
Emirp Numbers
30th32nd
21st
Emirp Numbers (Long)
16th
9th
Emojify
17th
Evil Numbers
107th103rd
27th
64th
Evil Numbers (Long)
21st
Factorial Factorisation
10th
7th
Farey Sequence
11th
Fibonacci
165th
47th
74th
Fizz Buzz
1st
Foo Fizz Buzz Bar
5th
Fractions
18th
Game of Life
24th
13th
Gray Code Decoder
15th
Gray Code Encoder
16th
Happy Numbers
34th34th
43rd
24th
Happy Numbers (Long)
12th
Hexdump
12th
Hilbert Curve
16th
Intersection
9th
Inventory Sequence
16th
ISBN
31st
24th
23rd
23rd
24th
Jacobi Symbol
13th
Kaprekar Numbers
14th
Kolakoski Constant
8th
Kolakoski Sequence
18th
Leap Years
27th
Levenshtein Distance
8th
18th10th
10th
Leyland Numbers
8th
ln 2
12th
Look and Say
10th
16th
Lucky Numbers
35th
13th
Lucky Tickets
10th
Mahjong
25th
4th
Mandelbrot
11th
Medal Tally
11th
Minesweeper
13th3rd
18th
9th
Morse Decoder
9th
Morse Encoder
12th
Multitap Input
4th
Musical Chords
31st
14th
10th
7th
Niven Numbers
24th
Niven Numbers (Long)
71st
24th
Number Spiral
32nd
10th
Odious Numbers
27th
Odious Numbers (Long)
18th
Ordinal Numbers
14th
PalindromemordnilaP
10th
Pangram Grep
19th
17th49th
26th
67th
25th
26th
96th
15th22nd
Partition Numbers
12th
Pascal’s Triangle
16th
43rd
Pernicious Numbers
59th62nd
32nd
Pernicious Numbers (Long)
16th
Poker
13th
9th
Polyominoes
5th
Prime Numbers
18th
Prime Numbers (Long)
22nd
10th
Quine
1st
83rd
Recamán
18th
Repeating Decimals
8th
Reverse Polish Notation
11th
Rijndael S-box
48th23rd
21st
Rock-paper-scissors-Spock-lizard
19th12th
Roman to Arabic
47th
20th
26th
17th
ROT13
11th
32nd
Rule 110
17th
Scrambled Sort
20th
17th
7th
8th
Set
13th
8th
Seven Segment
14th
Sierpiński Triangle
11th
Smith Numbers
10th
Spelling Numbers
7th
Star Wars GPT
10th
5th
Sudoku
5th
Sudoku (Fill-in)
11th
Taxicab Numbers
10th
Ten-pin Bowling
13th
19th
Tic-tac-toe
9th
Time Distance
9th
Tongue-twisters
18th
Tower of Hanoi
36th14th
14th
30th19th23rd
30th
28th39th
126th
9th
Transpose Sentence
16th
19th
Trinomial Triangle
9th
United States
9th
8th
Vampire Numbers
17th
10th
Van Eck Sequence
16th
Zeckendorf Representation
14th
Zodiac Signs
8th
11th
125th
8th
γ
13th
λ
10th
12th
12th
6th
π
16th
7th
τ
14th
φ
4th
√2
1st
𝑒
11th
43rd