12 Days of Christmas
57th
10th
99 Bottles of Beer
33rd
Abundant Numbers
19th
743rd
Abundant Numbers (Long)
19th
395th
Arabic to Roman
14th
Arithmetic Numbers
25th
Arrows
14th
17th
16th
14th
16th
Ascending Primes
17th
ASCII Table
20th
Billiards
7th
Calendar
5th
Card Number Validation
19th
Catalan Numbers
10th
Christmas Trees
43rd
14th
Collatz
12th20th20th19th23rd192nd55th100th16th12th9th52nd9th20th21st24th11th
10th14th12th14th12th42nd13th
17th19th22nd236th
37th36th15th27th18th
10th27th44th30th18th575th18th18th69th67th14th
20th
9th13th9th23rd
CSS Colors
24th
Day of Week
16th
Diamonds
31st
16th
69th
Divisors
17th
Emirp Numbers
30th30th
18th
Emirp Numbers (Long)
16th
8th
Emojify
18th
Evil Numbers
105th103rd
26th
57th
Evil Numbers (Long)
20th
Factorial Factorisation
8th
8th
Farey Sequence
10th
Fibonacci
161st
36th
73rd
Fizz Buzz
1st
Foo Fizz Buzz Bar
5th
Fractions
17th
Game of Life
20th
12th
Happy Numbers
33rd31st
41st
20th
Happy Numbers (Long)
12th
Hexdump
12th
Hilbert Curve
14th
Intersection
9th
Inventory Sequence
14th
ISBN
30th
24th
23rd
21st
Kaprekar Numbers
14th
Kolakoski Constant
8th
Kolakoski Sequence
18th
Leap Years
24th
Levenshtein Distance
8th
17th10th
9th
Leyland Numbers
8th
ln 2
12th
Look and Say
10th
13th
Lucky Numbers
34th
13th
Lucky Tickets
10th
Mandelbrot
11th
Medal Tally
11th
Minesweeper
10th3rd
16th
9th
Morse Decoder
15th
Morse Encoder
13th
Multitap Input
4th
Musical Chords
29th
12th
10th
11th
Niven Numbers
21st
Niven Numbers (Long)
22nd
Number Spiral
30th
Odious Numbers
26th
Odious Numbers (Long)
17th
Ordinal Numbers
10th
PalindromemordnilaP
9th
Pangram Grep
18th
16th46th
26th
67th
21st
23rd
95th
14th22nd
Partition Numbers
12th
Pascal’s Triangle
14th
39th
Pernicious Numbers
55th59th
31st
Pernicious Numbers (Long)
16th
Poker
8th
Prime Numbers
17th
Prime Numbers (Long)
21st
8th
Quine
1st
75th
Recamán
13th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
12th13th
Roman to Arabic
47th
19th
24th
15th
ROT13
10th
Scrambled Sort
19th
14th
8th
6th
Set
7th
Seven Segment
14th
Sierpiński Triangle
9th
Smith Numbers
9th
Spelling Numbers
6th
Star Wars GPT
4th
Sudoku
8th
Sudoku (Fill-in)
11th
Ten-pin Bowling
13th
19th
Tic-tac-toe
12th
Time Distance
9th
Tongue-twisters
24th
Tower of Hanoi
28th
37th
Transpose Sentence
18th
Trinomial Triangle
8th
United States
9th
8th
Vampire Numbers
15th
9th
Van Eck Sequence
13th
Zeckendorf Representation
12th
λ
8th
12th
8th
4th
π
15th
7th
τ
14th
φ
3rd
√2
1st
𝑒
9th
40th