wap using recursive function to generatr n terms and print the sum of following series for N terms.. 1+4+9+16+25+36+......+n=sum

/*wap using recursive function to generatr n terms and print the sum of
following series for N terms.. 1+4+9+16+25+36+......+n=sum*/

#include<stdio.h>
#include<conio.h>
#include<math.h>

int addition(int n);

void main()

{
 int n,sum;
 clrscr();
 printf("enter value of n:");
 scanf("%d",&n);
 sum=addition(n);
 printf("%d",sum);
 getch();
}

int addition(int n)

{
 int sum;

 if(n==1)
        { return(1);          }
 else
        {
   return(pow(n,2)+addition(n-1));        }
}