12 Days of Christmas
166th
99 Bottles of Beer
224th
Abundant Numbers
318th
Arabic to Roman
229th
Arithmetic Numbers
170th
Ascending Primes
156th
Christmas Trees
646th
Evil Numbers
1st
Evil Numbers (Long)
32nd
Fizz Buzz
1,747th
Leap Years
411th
Look and Say
293rd
Poker
68th
Prime Numbers
404th
Roman to Arabic
286th