99 Bottles of Beer
14th
Abundant Numbers
37th
ASCII Table
18th
Catalan Numbers
1st1st
Christmas Trees
4th
Collatz
134th19th
Diamonds
40th
Divisors
39th
Emirp Numbers
34th
Emirp Numbers (Long)
19th
Evil Numbers
237th4th
Evil Numbers (Long)
32nd
Fibonacci
7th
Fizz Buzz
1st
Foo Fizz Buzz Bar
19th
Fractions
1st
Happy Numbers
34th
Happy Numbers (Long)
24th
Intersection
19th
Kolakoski Sequence
18th
Leap Years
38th
Leyland Numbers
167th26th
Look and Say
23rd
Lucky Numbers
16th
Niven Numbers
6th
Niven Numbers (Long)
1st
Odious Numbers
119th5th
Odious Numbers (Long)
32nd
Pascal’s Triangle
32nd
Pernicious Numbers
41st
Prime Numbers
148th62nd
Prime Numbers (Long)
182nd52nd
Recamán
29th
Smith Numbers
18th
Van Eck Sequence
15th