99 Bottles of Beer
8th
Abundant Numbers
28th
Christmas Trees
22nd
Cubes
12th
Diamonds
8th
Divisors
1st
Emirp Numbers
7th
Evil Numbers
22nd
Fibonacci
50th
Fizz Buzz
82nd
Foo Fizz Buzz Bar
19th
Happy Numbers (Long)
20th
Intersection
19th
Leap Years
28th
Number Spiral
6th
Ordinal Numbers
18th
Pangram Grep
19th
Prime Numbers
17th
Prime Numbers (Long)
1st
Quine
1st
Recamán
12th
Reverse Polish Notation
7th
Seven Segment
9th
Sierpiński Triangle
15th