99 Bottles of Beer
31st
Abundant Numbers
42nd
ASCII Table
27th
Catalan Numbers
1st1st
Christmas Trees
14th
Collatz
220th22nd
Diamonds
56th
Divisors
52nd
Emirp Numbers
50th
Emirp Numbers (Long)
29th
Evil Numbers
263rd12th
Evil Numbers (Long)
35th
Fibonacci
10th
Fizz Buzz
4th
Foo Fizz Buzz Bar
29th
Fractions
1st
Happy Numbers
45th
Happy Numbers (Long)
31st
Intersection
31st
Kolakoski Sequence
21st
Leap Years
45th
Leyland Numbers
211th34th
Look and Say
32nd
Lucky Numbers
26th
Niven Numbers
14th
Niven Numbers (Long)
1st
Odious Numbers
141st13th
Odious Numbers (Long)
36th
Pascal’s Triangle
39th
Pernicious Numbers
50th
Prime Numbers
185th71st
Prime Numbers (Long)
231st62nd
Recamán
32nd
Smith Numbers
30th
Van Eck Sequence
18th