I was actually wondering about that - it appears a (i+i^2)/2 sequence makes insertions (and by extension erases with rehashing) 7-10% faster, which is pretty si

I was actually wondering about that - it appears a (i+i^2)/2 sequence makes insertions (and by extension erases with rehashing) 7-10% faster, which is pretty significant. Lookups and probe lengths are about the same, so I think the conclusions stand.