12 Days of Christmas
27th175th154th42nd71st51st128th374th35th60th28th49th
137th1,050th35th113th87th23rd45th18th
99 Bottles of Beer
21st
401st
977th
Fibonacci
134th547th
168th
304th550th
201st
202nd
1,415th175th251st254th
Fizz Buzz
180th
969th
2,619th
302nd
Happy Numbers
230th
Leap Years
59th
469th
882nd
Recamán
408th