12 Days of Christmas
160th
Abundant Numbers
56th
Arabic to Roman
104th
brainfuck
112th
Christmas Trees
209th
Divisors
322nd
Emirp Numbers
104th
Evil Numbers
169th
Fibonacci
68th
361st
Fizz Buzz
154th
615th
223rd
1st126th210th
1,450th
240th
Happy Numbers
109th
Leap Years
199th
Niven Numbers
235th
Odious Numbers
146th
Pangram Grep
137th
Prime Numbers
190th
Quine
1st25th206th98th32nd37th280th1st1st41st55th
67th85th92nd15th
π
84th
√2
432nd