12 Days of Christmas
26th163rd146th40th68th49th121st357th33rd59th27th46th
135th965th35th104th81st21st42nd18th
99 Bottles of Beer
20th
388th
935th
Fibonacci
125th497th
153rd
281st521st
187th
194th
1,349th148th235th245th
Fizz Buzz
176th
944th
2,548th
293rd
Happy Numbers
225th
Leap Years
57th
451st
852nd
Recamán
389th