12 Days of Christmas
14th
99 Bottles of Beer
6th
Abundant Numbers
11th
Abundant Numbers (Long)
10th
Arabic to Roman
8th
Arithmetic Numbers
7th
Arrows
8th
ASCII Table
8th
Card Number Validation
12th
Catalan Numbers
11th
Christmas Trees
9th
Collatz
58th13th
CSS Colors
7th
Day of Week
8th
Divisors
17th
Emirp Numbers
12th
Emirp Numbers (Long)
9th
Emojify
11th
Evil Numbers
9th
Evil Numbers (Long)
8th
Factorial Factorisation
6th
Farey Sequence
11th
Fibonacci
57th
32nd
Fizz Buzz
14th
Foo Fizz Buzz Bar
11th
Fractions
11th
Happy Numbers
17th
Happy Numbers (Long)
10th
Intersection
7th
ISBN
9th
Kaprekar Numbers
17th
Kolakoski Constant
9th
Kolakoski Sequence
11th
Leap Years
15th
Levenshtein Distance
8th
Leyland Numbers
11th
ln 2
7th
Morse Encoder
8th
N Queens
5th
Niven Numbers
14th
Niven Numbers (Long)
1st
Number Spiral
12th
Odious Numbers
12th
Odious Numbers (Long)
13th
Ordinal Numbers
9th
Pangram Grep
12th
Partition Numbers
11th4th
Pascal’s Triangle
11th
Pernicious Numbers
16th
Pernicious Numbers (Long)
9th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
10th
Recamán
8th
Reverse Polish Notation
8th
Rijndael S-box
7th
Roman to Arabic
7th
ROT13
6th
Set
4th
Seven Segment
8th
Smith Numbers
9th
Tic-tac-toe
9th
Time Distance
6th
Tongue-twisters
9th
Transpose Sentence
8th
United States
29th10th
Vampire Numbers
7th
Van Eck Sequence
9th
π
13th
τ
10th
φ
9th
√2
12th
𝑒
12th