99 Bottles of Beer
24th
Abundant Numbers
31st
Arabic to Roman
17th
Christmas Trees
22nd11th
27th
20th
4th
Divisors
232nd
243rd
45th
Evil Numbers
95th
79th
35th
Fibonacci
301st
343rd126th43rd
Fizz Buzz
84th318th
719th189th139th
Happy Numbers
100th
43rd
Leap Years
112th
46th93rd41st29th103rd
30th
Niven Numbers
34th
Ordinal Numbers
27th
Pascalβs Triangle
36th
Pernicious Numbers
75th
60th
30th
Prime Numbers
195th
55th
114th
Prime Numbers (Long)
1st
Quine
104th
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
20th
United States
15th
Van Eck Sequence
9th