Well, yeah... R = {{0,0},{1,1},{2,2},...} is what I'm looking for, then. That's what I've been trying to say.
Take that and multiply R by P where p0,p1,p2 = {{0,1}{1,2}{2,3}...}
Something like this. I think I did that r(p+1) and r(p-1) for upper and lower limits?
Edit, sorry I think it's this...