Solve the following problem by writing a recursive function. Note: you must actively use recursion to solve the problem. The problem: We have frogs standing at the ena or tne pool, numbered 1, 2, ... The odd frogs (1, 3, ..) have 1 frog toe in the water. The even frogs (2, 4, ..) have two frog toes in the water. Recursively return the number of toes in the water of the frog line 1, 2, ... n (without loops or multiplication).

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