Finding N-th Even Number with Pointer in C.

#include<stdio.h>

int main()

{

    int i,j,n,swap;

    int *ptr[100];

    printf("Please Enter A Value: ");

    scanf("%d",&n);

    printf("1st %d Even Number: ",n);

    for(i=0; i<=n; i++)

    {

        *(ptr+i)=2*(i+1);

        printf("%d ",*(ptr+i));

    }

    printf("
");

    return 0;

}