C program to find Sum of Series using for loop

#include<stdio.h>

#include <conio.h>

int main()

{

   int i,j=0,n,sum;

   printf("How many series?");

   scanf("%d",&n);

   for(i=1; j

   {

     printf("%d\n",i);

     j++;

     sum=sum+i;

   }

  printf("Sum is %d",sum);

   return 0;

}

OUTPUT