12 Days of Christmas
28th177th156th42nd72nd52nd131st374th35th61st28th49th
137th1,071st35th113th91st23rd45th19th
99 Bottles of Beer
22nd
405th
995th
Fibonacci
139th549th
171st
310th559th
208th
205th
1,430th176th256th263rd
Fizz Buzz
183rd
974th
2,636th
305th
Happy Numbers
233rd
Leap Years
63rd
472nd
895th
Recamán
415th