99 Bottles of Beer
46th
Abundant Numbers
26th25th
Abundant Numbers (Long)
56th
Arabic to Roman
40th
Arithmetic Numbers
43rd
Christmas Trees
146th
Collatz
211th
Day of Week
130th
Divisors
81st
Emirp Numbers
42nd
Emirp Numbers (Long)
20th
Evil Numbers
118th
Evil Numbers (Long)
65th
Fibonacci
335th
Fizz Buzz
261st1st
Happy Numbers
191st
Happy Numbers (Long)
90th
Leap Years
97th
Lucky Tickets
29th
Niven Numbers
1st
Niven Numbers (Long)
70th
Odious Numbers
100th
Odious Numbers (Long)
53rd
Ordinal Numbers
96th
Pangram Grep
140th
Pascal’s Triangle
38th
Pernicious Numbers
66th
Pernicious Numbers (Long)
44th
Prime Numbers
141st
Prime Numbers (Long)
81st
Quine
29th
Recamán
35th
Reverse Polish Notation
85th
Smith Numbers
24th