12 Days of Christmas
60th
11th
24 Game
5th
99 Bottles of Beer
33rd
Abundant Numbers
21st
752nd
Abundant Numbers (Long)
23rd
401st
Arabic to Roman
15th
Arithmetic Numbers
26th
Arrows
17th
17th
18th
16th
18th
Ascending Primes
17th
ASCII Table
21st
Billiards
7th
Calendar
5th
Card Number Validation
19th
Catalan Numbers
10th
Christmas Trees
43rd
14th
Collatz
12th
22nd21st19th23rd195th55th102nd16th13th9th54th9th21st21st24th12th
9th14th13th15th11th43rd
15th
18th19th22nd238th
37th38th17th29th18th
12th30th45th31st18th588th20th19th
72nd69th16th
20th
9th13th9th24th
Continued Fractions
7th
CSS Colors
13th
21st110th
21st
5th
Day of Week
17th
Diamonds
33rd
16th
25th
72nd
Divisors
17th
Emirp Numbers
30th30th
18th
Emirp Numbers (Long)
16th
8th
Emojify
18th
Evil Numbers
108th105th
27th
61st
Evil Numbers (Long)
21st
Factorial Factorisation
9th
8th
Farey Sequence
10th
Fibonacci
164th
43rd
75th
Fizz Buzz
1st
Foo Fizz Buzz Bar
5th
Fractions
19th
Game of Life
21st
13th
Gray Code Decoder
14th
Gray Code Encoder
14th
Happy Numbers
33rd31st
41st
20th
Happy Numbers (Long)
12th
Hexdump
12th
Hilbert Curve
17th
Intersection
9th
Inventory Sequence
14th
ISBN
31st
24th
23rd
21st
Kaprekar Numbers
14th
Kolakoski Constant
8th
Kolakoski Sequence
18th
Leap Years
28th
Levenshtein Distance
8th
18th10th
9th
Leyland Numbers
8th
ln 2
12th
Look and Say
10th
15th
Lucky Numbers
35th
13th
Lucky Tickets
10th
Mahjong
21st
4th
Mandelbrot
11th
Medal Tally
11th
Minesweeper
12th3rd
19th
9th
Morse Decoder
9th
Morse Encoder
11th
Multitap Input
4th
Musical Chords
30th
13th
8th
6th
Niven Numbers
22nd
Niven Numbers (Long)
23rd
Number Spiral
32nd
10th
Odious Numbers
27th
Odious Numbers (Long)
18th
Ordinal Numbers
12th
PalindromemordnilaP
9th
Pangram Grep
19th
16th48th
19th
69th
21st
24th
98th
14th12th
Partition Numbers
12th
Pascal’s Triangle
14th
43rd
Pernicious Numbers
58th62nd
32nd
Pernicious Numbers (Long)
16th
Poker
9th
Prime Numbers
17th
Prime Numbers (Long)
21st
9th
Quine
1st
80th
Recamán
13th
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
13th13th
Roman to Arabic
47th
20th
25th
17th
ROT13
11th
Scrambled Sort
20th
15th
8th
7th
Set
7th
Seven Segment
14th
Sierpiński Triangle
9th
Smith Numbers
9th
Spelling Numbers
7th
Star Wars GPT
10th
4th
Sudoku
6th
Sudoku (Fill-in)
11th
Ten-pin Bowling
13th
20th
Tic-tac-toe
9th
Time Distance
9th
Tongue-twisters
16th
Tower of Hanoi
37th13th
16th
32nd17th23rd
30th
29th41st
118th
9th
Transpose Sentence
18th
19th
Trinomial Triangle
8th
United States
9th
8th
Vampire Numbers
15th
8th
Van Eck Sequence
14th
Zeckendorf Representation
14th
γ
12th
λ
8th
12th
8th
4th
π
16th
7th
τ
14th
φ
3rd
√2
1st
𝑒
9th
42nd