12 Days of Christmas
11th
99 Bottles of Beer
8th
Abundant Numbers
4th
Abundant Numbers (Long)
5th
Arabic to Roman
8th
Billiards
3rd
Card Number Validation
10th
Collatz
6th
CSS Colors
17th
Cubes
2nd
Day of Week
9th
Divisors
6th
Emirp Numbers
10th
Emirp Numbers (Long)
7th
Evil Numbers
22nd
Evil Numbers (Long)
14th
Farey Sequence
8th
Fibonacci
8th
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Fractions
8th
ISBN
9th
Kaprekar Numbers
5th
Leap Years
π
Levenshtein Distance
22nd
Leyland Numbers
3rd
Niven Numbers
36th
Niven Numbers (Long)
12th
Odious Numbers
15th
Odious Numbers (Long)
9th
Ordinal Numbers
11th
PalindromemordnilaP
7th
Pascalβs Triangle
4th
Pernicious Numbers
27th
Pernicious Numbers (Long)
10th
Prime Numbers
3rd
Prime Numbers (Long)
3rd
Quine
32nd
Spelling Numbers
7th
Tongue-twisters
12th
United States
19th
Van Eck Sequence
13th