99 Bottles of Beer
25th
Abundant Numbers
35th
ASCII Table
25th
Catalan Numbers
1st1st
Christmas Trees
13th
Collatz
173rd19th
Diamonds
39th
Divisors
39th
Emirp Numbers
42nd
Emirp Numbers (Long)
22nd
Evil Numbers
228th12th
Evil Numbers (Long)
29th
Fibonacci
7th
Fizz Buzz
3rd
Foo Fizz Buzz Bar
23rd
Fractions
1st
Happy Numbers
38th
Happy Numbers (Long)
25th
Intersection
22nd
Kolakoski Sequence
18th
Leap Years
37th
Leyland Numbers
183rd27th
Look and Say
26th
Lucky Numbers
16th
Niven Numbers
12th
Niven Numbers (Long)
1st
Odious Numbers
112th12th
Odious Numbers (Long)
29th
Pascal’s Triangle
32nd
Pernicious Numbers
38th
Prime Numbers
144th59th
Prime Numbers (Long)
192nd46th
Recamán
28th
Smith Numbers
22nd
Van Eck Sequence
14th