byte pole[] = {0b00000001, 0b00000010,...};

void setup() {
  // put your setup code here, to run once:
DDRD = 0b01111111;
}

void loop() {
  // put your main code here, to run repeatedly:
  for(int i=0; i < 6; i++)
  {
    PORTD = 1<<i;
    delay(500);
  }
}