12 Days of Christmas
2nd
99 Bottles of Beer
8th
Abundant Numbers
7th
Abundant Numbers (Long)
77th7th
Arabic to Roman
25th
Christmas Trees
6th
Collatz
7th
Day of Week
1st
Divisors
1st
Evil Numbers
1st9th
Evil Numbers (Long)
38th7th
Fibonacci
186th7th
Fizz Buzz
58th1st
Foo Fizz Buzz Bar
1st6th
Forsyth–Edwards Notation
3rd
Happy Numbers (Long)
7th
Inventory Sequence
4th
Jacobi Symbol
4th
Leap Years
8th
Levenshtein Distance
9th
Leyland Numbers
4th
Look and Say
5th
Lucky Numbers
4th
Niven Numbers
12th
Niven Numbers (Long)
8th
Number Spiral
3rd
Odious Numbers
1st9th
Odious Numbers (Long)
1st8th
Pascal’s Triangle
1st
Pernicious Numbers
1st7th
Prime Numbers
1st
Prime Numbers (Long)
51st1st
Quine
72nd
Recamán
5th
Roman to Arabic
21st
SI Units
2nd
United States
1st
Van Eck Sequence
4th