Fibonacci series implementation using recursion technique in Golang

fibonacci_series_recursion.go

package main

import "fmt"

var rCounter int

func fibRec(i int) int {
	rCounter++
	if i == 1 {
		return 0
	} else if i == 2 {
		return 1
	} else {
		return fibRec(i-1) + fibRec(i-2)
	}
}

func main() {
	fmt.Println(fibRec(16))
	fmt.Println("Called function", rCounter, "times")
}