99 Bottles of Beer
9th
Abundant Numbers
35th
Christmas Trees
26th
Cubes
13th
Diamonds
11th
Divisors
1st
Emirp Numbers
12th
Evil Numbers
28th
Fibonacci
61st
Fizz Buzz
92nd
Foo Fizz Buzz Bar
24th
Happy Numbers (Long)
26th
Intersection
23rd
Leap Years
30th
Number Spiral
8th
Ordinal Numbers
23rd
Pangram Grep
23rd
Prime Numbers
21st
Prime Numbers (Long)
1st
Quine
15th
Recamán
17th
Reverse Polish Notation
10th
Seven Segment
13th
Sierpiński Triangle
17th