int blink_time = 100;
int loop_time = 6000;
int loop_timer = 0;
int tick = 600;
int led_pin = 32;
int count = 1;

void setup(){
  Serial.begin(9600);
  pinMode(led_pin, OUTPUT);
}

void loop(){

  if (loop_timer == 0){
    for (int i = 0; i < count; i++){
    digitalWrite(led_pin,HIGH);
    delay(blink_time);
    digitalWrite(led_pin,LOW);
    delay(blink_time);
  }
  delay(tick - blink_time*2*count);
  }
  else{
    delay(tick);
  }

  loop_timer += tick;
  if (loop_timer == loop_time){
    loop_timer = 0;
    count = count + 1;
    if (count > 3){
      count = 1;
    }
  }
  
 Serial.printf("Loop timer: %dms. blink_count value: %d\n", loop_timer, 
count);
  }