I'm at 3411 for 15 generations, down 27 since last June. I consider that progress because I know that I've gotten rid of some spurious ancestors in the last year (and, yes, I've also added a few in that same period). And I'm very sure I don't have 32,768 distinct ancestors in 15 generations because I know there are quite a few cousin marriages in those generations (even including my own parents, who were double 9th cousins, with 12 common ancestors within 15 generations -- for comparison, Chase and I are 8th cousins once removed, with 79 common ancestors within 15 generations).