program to generate the first 20 terms of the facobian series by using recursion .

#include<iostream>
using namespace std;
int facob(int );
int main()
{
int i;
for(i=1;i<=20;i++)
cout<<facob(i)<<" ";
}

int facob(int i)
{
if(i==1)
return(0);
else if(i==2)
return(1);
else
return(facob(i-2)+facob(i-1));
}