12 Days of Christmas
6th
99 Bottles of Beer
10th
Abundant Numbers
3rd
Abundant Numbers (Long)
8th
Arabic to Roman
1st
Arithmetic Numbers
9th
ASCII Table
6th
Card Number Validation
2nd
Catalan Numbers
13th
Christmas Trees
6th
Collatz
11th
13th
CSS Colors
4th
Day of Week
1st
Diamonds
6th
Divisors
5th
18th
Emirp Numbers
18th
Emirp Numbers (Long)
7th
Evil Numbers
15th
Evil Numbers (Long)
12th
Fibonacci
80th1st
37th
Fizz Buzz
11th
42nd
Fractions
1st
Happy Numbers
15th
Inventory Sequence
7th
ISBN
7th
Jacobi Symbol
7th
Leap Years
12th
Levenshtein Distance
1st
Look and Say
6th
Niven Numbers
17th
28th
Niven Numbers (Long)
13th
Odious Numbers
15th39th
Odious Numbers (Long)
12th
Ordinal Numbers
7th
PalindromemordnilaP
3rd
Pangram Grep
10th
Pascal’s Triangle
5th
Pernicious Numbers
12th
Pernicious Numbers (Long)
12th
Prime Numbers
1st
Prime Numbers (Long)
1st
Recamán
6th
Reverse Polish Notation
1st
Rijndael S-box
7th
Roman to Arabic
1st
Sierpiński Triangle
5th
Smith Numbers
7th
Tongue-twisters
10th
Transpose Sentence
6th
Van Eck Sequence
7th
√2
9th
𝑒
6th