12 Days of Christmas
2,956th
99 Bottles of Beer
2,515th
Abundant Numbers
2,535th1,180th
Christmas Trees
1,272nd1,752nd
Cubes
975th
Diamonds
1,831st
Divisors
1,526th
Emirp Numbers
2,634th
Evil Numbers
3,098th
Fibonacci
5,791st
Fizz Buzz
11,172nd11,108th10,997th10,947th8,953rd3,305th
Leap Years
3,377th
Morse Encoder
836th
Niven Numbers
3,852nd
2,532nd
Odious Numbers
3,317th1,336th
Pangram Grep
2,107th
Pernicious Numbers
1,978th
Prime Numbers
4,680th
2,727th
Roman to Arabic
1,209th