Abundant Numbers
114th
1st
Diamonds
90th
Divisors
32nd1st
Emirp Numbers
13th
Evil Numbers
97th1st
Evil Numbers (Long)
1st
Fibonacci
258th
66th
313th1st
Fizz Buzz
1st1st
Foo Fizz Buzz Bar
1st
Fractions
76th1st
Happy Numbers
91st1st
Happy Numbers (Long)
57th2nd
ISBN
11th
Kolakoski Sequence
101st1st
Leap Years
102nd
163rd1st
Look and Say
72nd8th
Niven Numbers
1st
Niven Numbers (Long)
1st
Odious Numbers
296th1st
Odious Numbers (Long)
1st
Ordinal Numbers
133rd
Pangram Grep
1st
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
11th
Prime Numbers
56th
37th
113th1st151st
Prime Numbers (Long)
72nd
1st
Reverse Polish Notation
9th
Smith Numbers
11th
Spelling Numbers
101st
Transpose Sentence
12th
Van Eck Sequence
58th1st