Finally RiderOfGiraffes' nickname, since they've demonstrated to me that once you start looking at those little commentid fields it does interesting things to my obsessive-compulsive tendencies.
Sorry so obtuse. My head's been down in code all day long. If I could post in binary it might be easier :)
Well, I figured out the first and third parts. So the the Sieve of Giraffes returns every number. I guess the next step is to include it in the Java library.