Something like that?
import java.lang.reflect.Field;
/* ... */
for (int i = 1; i < 16; i++) {
int id = R.id.class.getField("s" + i).getInt(0);
tv[i] = (TextView)findViewById(id);
tv[i].setTypeface(face);
tv[i].setClickable(true);
tv[i].setOnClickListener(clickListener);
}