12 Days of Christmas
172nd
Abundant Numbers
61st
Arabic to Roman
111th
brainfuck
122nd
Christmas Trees
214th
Divisors
340th
Emirp Numbers
106th
Evil Numbers
178th
Fibonacci
76th
389th
Fizz Buzz
159th
655th
228th
1st130th216th
1,526th
250th
Happy Numbers
117th
Leap Years
220th
Niven Numbers
248th
Odious Numbers
154th
Pangram Grep
153rd
Prime Numbers
203rd
Quine
1st25th217th103rd34th41st293rd1st1st43rd59th
84th88th87th25th
π
90th
√2
472nd