99 Bottles of Beer
25th
Abundant Numbers
35th
ASCII Table
25th
Catalan Numbers
1st1st
Christmas Trees
14th
Collatz
183rd19th
Diamonds
41st
Divisors
39th
Emirp Numbers
42nd
Emirp Numbers (Long)
22nd
Evil Numbers
232nd12th
Evil Numbers (Long)
32nd
Fibonacci
7th
Fizz Buzz
3rd
Foo Fizz Buzz Bar
24th
Fractions
1st
Happy Numbers
39th
Happy Numbers (Long)
25th
Intersection
22nd
Kolakoski Sequence
18th
Leap Years
37th
Leyland Numbers
186th28th
Look and Say
26th
Lucky Numbers
17th
Niven Numbers
13th
Niven Numbers (Long)
1st
Odious Numbers
117th12th
Odious Numbers (Long)
31st
Pascal’s Triangle
32nd
Pernicious Numbers
39th
Prime Numbers
147th61st
Prime Numbers (Long)
198th50th
Recamán
29th
Smith Numbers
23rd
Van Eck Sequence
15th