Well, most lo's don't get on a real EASY until closer to 6-8 weeks.
It's wonderful to start the principles of EASY but there's not a way to guarantee that they will doing this or that at a certain time.
Every baby is different and their needs are different. I would just use these first few weeks to really get to know your baby, know his cues and needs and then when your lo gets a pattern going, form an EASY that suits your sweetie pie.
Typical amounts of A time at this age are 45 minutes-1 hour, eating every 2.5-3 hours!
Be sure to check out our EASY FAQ's at the top of the EASY thread.
Melissa