99 Bottles of Beer
23rd
Abundant Numbers
37th
ASCII Table
25th
Catalan Numbers
1st1st
Christmas Trees
14th
Collatz
186th19th
Diamonds
41st
Divisors
39th
Emirp Numbers
42nd
Emirp Numbers (Long)
25th
Evil Numbers
237th12th
Evil Numbers (Long)
32nd
Fibonacci
7th
Fizz Buzz
3rd
Foo Fizz Buzz Bar
25th
Fractions
1st
Happy Numbers
39th
Happy Numbers (Long)
25th
Intersection
25th
Kolakoski Sequence
18th
Leap Years
38th
Leyland Numbers
189th30th
Look and Say
27th
Lucky Numbers
18th
Niven Numbers
13th
Niven Numbers (Long)
1st
Odious Numbers
119th12th
Odious Numbers (Long)
32nd
Pascal’s Triangle
32nd
Pernicious Numbers
41st
Prime Numbers
148th62nd
Prime Numbers (Long)
202nd52nd
Recamán
29th
Smith Numbers
26th
Van Eck Sequence
15th