12 Days of Christmas
168th
Abundant Numbers
59th
Arabic to Roman
108th
brainfuck
121st
Christmas Trees
214th
Divisors
331st
Emirp Numbers
106th
Evil Numbers
174th
Fibonacci
73rd
380th
Fizz Buzz
155th
647th
225th
1st129th214th
1,497th
249th
Happy Numbers
113th
Leap Years
208th
Niven Numbers
241st
Odious Numbers
151st
Pangram Grep
147th
Prime Numbers
196th
Quine
1st25th212th102nd33rd40th290th1st1st43rd57th
75th88th85th21st
π
88th
√2
458th