There are $n$ very intelligent lions on an uninhabited desert island. They are very hungry because they ate everything they could. Whenever there is a new food source, the closest lion could choose to quickly eat the available food and fall asleep to digest. A sleeping lion becomes prey. The lions like their stomachs full but they choose starvation over death. A helicopter releases an unconscious but alive gazelle onto the island. How many living animals are on the island on the next day if
a. $n=$ 24 ? answer =
b. $n=$ 53 ? answer =
c. $n=$ 64 ? answer =