12 Days of Christmas
16th
99 Bottles of Beer
9th
Abundant Numbers
14th
Abundant Numbers (Long)
13th
Arabic to Roman
10th
Arithmetic Numbers
8th
Arrows
8th
ASCII Table
11th
Card Number Validation
12th
Catalan Numbers
12th
Christmas Trees
11th
Collatz
76th15th
CSS Colors
7th
Day of Week
11th
Divisors
20th
Emirp Numbers
13th
Emirp Numbers (Long)
9th
Emojify
12th
Evil Numbers
12th
Evil Numbers (Long)
11th
Factorial Factorisation
6th
Farey Sequence
10th
Fibonacci
64th
45th
Fizz Buzz
19th
Foo Fizz Buzz Bar
12th
Fractions
13th
Happy Numbers
21st
Happy Numbers (Long)
12th
Intersection
9th
ISBN
11th
Kaprekar Numbers
16th
Kolakoski Constant
9th
Kolakoski Sequence
12th
Leap Years
18th
Levenshtein Distance
8th
Leyland Numbers
13th
ln 2
20th7th
Minesweeper
7th
Morse Encoder
7th
N Queens
5th
Niven Numbers
18th
Niven Numbers (Long)
1st
Number Spiral
8th
Odious Numbers
16th
Odious Numbers (Long)
15th
Ordinal Numbers
10th
Pangram Grep
15th
Partition Numbers
14th5th
Pascal’s Triangle
13th
Pernicious Numbers
20th
Pernicious Numbers (Long)
10th
Prime Numbers
5th
Prime Numbers (Long)
1st
Quine
10th
Recamán
9th
Reverse Polish Notation
10th
Rijndael S-box
8th
Roman to Arabic
8th
ROT13
10th
Set
6th
Seven Segment
8th
Smith Numbers
10th
Tic-tac-toe
10th
Time Distance
7th
Tongue-twisters
10th
Transpose Sentence
9th
Trinomial Triangle
12th
United States
32nd10th
Vampire Numbers
9th
Van Eck Sequence
10th
π
14th
τ
10th
φ
9th
√2
11th
𝑒
13th