Abundant Numbers
108th
4th
Diamonds
90th
Divisors
32nd1st
Emirp Numbers
11th
Evil Numbers
93rd1st
Evil Numbers (Long)
1st
Fibonacci
246th
63rd
296th1st
Fizz Buzz
1st1st
Foo Fizz Buzz Bar
1st
Fractions
69th1st
Happy Numbers
93rd5th
Happy Numbers (Long)
51st1st
ISBN
10th
Kolakoski Sequence
96th1st
Leap Years
94th
149th3rd
Look and Say
68th8th
Niven Numbers
5th
Niven Numbers (Long)
1st
Odious Numbers
285th1st
Odious Numbers (Long)
1st
Ordinal Numbers
126th
Pangram Grep
1st
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
9th
Prime Numbers
1st
Prime Numbers (Long)
66th
1st
Reverse Polish Notation
7th
Smith Numbers
7th
Spelling Numbers
90th
Transpose Sentence
7th
Van Eck Sequence
56th1st