99 Bottles of Beer
17th
Abundant Numbers
35th
ASCII Table
18th
Catalan Numbers
1st1st
Christmas Trees
3rd
Collatz
128th19th
Diamonds
38th
Divisors
39th
Emirp Numbers
34th
Emirp Numbers (Long)
19th
Evil Numbers
229th3rd
Evil Numbers (Long)
31st
Fibonacci
7th
Fizz Buzz
1st
Foo Fizz Buzz Bar
19th
Fractions
1st
Happy Numbers
33rd
Happy Numbers (Long)
24th
Intersection
18th
Kolakoski Sequence
18th
Leap Years
37th
Leyland Numbers
162nd25th
Look and Say
22nd
Lucky Numbers
15th
Niven Numbers
6th
Niven Numbers (Long)
1st
Odious Numbers
113th5th
Odious Numbers (Long)
30th
Pascal’s Triangle
32nd
Pernicious Numbers
38th
Prime Numbers
145th59th
Prime Numbers (Long)
174th46th
Recamán
29th
Smith Numbers
18th
Van Eck Sequence
14th