#include <LiquidCrystal_I2C.h>
 
LiquidCrystal_I2C lcd (0x27, 16,2);

void setup() {
  lcd.init();
  lcd.backlight ();
}

void loop() {
  for(int i=1; i < 11; i++)
  {
    int result = i*2;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print(result);
    delay(500);
  }
}