99 Bottles of Beer
8th
Abundant Numbers
31st
Christmas Trees
25th
Cubes
13th
Diamonds
10th
Divisors
1st
Emirp Numbers
9th
Evil Numbers
24th
Fibonacci
57th
Fizz Buzz
86th
Foo Fizz Buzz Bar
22nd
Happy Numbers (Long)
23rd
Intersection
22nd
Leap Years
30th
Number Spiral
7th
Ordinal Numbers
22nd
Pangram Grep
23rd
Prime Numbers
18th
Prime Numbers (Long)
1st
Quine
11th
Recamán
14th
Reverse Polish Notation
7th
Seven Segment
11th
Sierpiński Triangle
17th