Shift Register - LEDs one by one

/*
 * Rachel Monger
 * 6/22/17
 * Shift Register Version 1 - for loop
 */

const int SER = 8;
const int LATCH = 9;
const int CLK = 10;
int lights[9]={0, 1, 2, 4, 8, 16, 32, 64, 128};

void setup()
{
pinMode(SER, OUTPUT);
pinMode(LATCH, OUTPUT);
pinMode(CLK, OUTPUT);

digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, B00000000);
digitalWrite(LATCH, HIGH);
delay(100);
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, B11111111);
digitalWrite(LATCH, HIGH);
delay(100);
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, B00000000);
digitalWrite(LATCH, HIGH);
}

void loop()
{
for(int i= 0; i < 9; i++)
{
  digitalWrite(LATCH, LOW);
  shiftOut(SER, CLK, MSBFIRST, lights[i]);
  digitalWrite(LATCH, HIGH);
  delay(100);
}

}