Error corregi3

#include <stdio.h>
#include <malloc.h>
main (){
int i, n, con=1, *punArrInt;
printf("Cuantos espacios de memoria desea guardar\?. \n");
scanf("%d", &n);
punArrInt=(int*)malloc(sizeof(int)*n);
for(i=0;i<n;i++){
    *punArrInt=con;
    printf("Valor: %d\n", *punArrInt);
    con++;}
punArrInt=punArrInt-sizeof(int);
free((int*)punArrInt);
}