99 Bottles of Beer
25th
Abundant Numbers
35th
ASCII Table
25th
Catalan Numbers
1st1st
Christmas Trees
14th
Collatz
178th19th
Diamonds
39th
Divisors
39th
Emirp Numbers
42nd
Emirp Numbers (Long)
22nd
Evil Numbers
229th12th
Evil Numbers (Long)
31st
Fibonacci
7th
Fizz Buzz
3rd
Foo Fizz Buzz Bar
24th
Fractions
1st
Happy Numbers
38th
Happy Numbers (Long)
25th
Intersection
22nd
Kolakoski Sequence
18th
Leap Years
37th
Leyland Numbers
183rd28th
Look and Say
26th
Lucky Numbers
17th
Niven Numbers
13th
Niven Numbers (Long)
1st
Odious Numbers
113th12th
Odious Numbers (Long)
30th
Pascal’s Triangle
32nd
Pernicious Numbers
38th
Prime Numbers
145th59th
Prime Numbers (Long)
193rd46th
Recamán
29th
Smith Numbers
23rd
Van Eck Sequence
14th