It is enough for now, but you are going to want to get a few more over the next couple of weeks. Keep the plants with in about 2 to 3 inches from the bulbs and get a small fan to gently blow across the bulb and the plants to keep the area cool and strengthen the plants stems and roots.
Do you know what color spectrum the bulbs are? Do they say anything like 6500K or 2700K or cool or warm spectrum. For veg you want the 6500K cool white and keep the lights on either 24/7 or 18/6.
Adieu