12 Days of Christmas
32nd
99 Bottles of Beer
39th
Christmas Trees
33rd
Divisors
64th
Emirp Numbers
58th
Evil Numbers
48th
Fibonacci
140th
Fizz Buzz
140th
Happy Numbers
54th
Odious Numbers
52nd
Pangram Grep
49th
Pascal’s Triangle
49th
Pernicious Numbers
63rd
Prime Numbers
86th
Sierpiński Triangle
31st
π
32nd
φ
22nd