Keep in mind that the original settlers will be first generation... so it's three more generations in 40 years, not 4. That raises the reproduction age up to 13 or so... not much, but far more possible.
Also, you excluded multiple births from your calculations, Ilander. From BabyCenter.com...
Quote:
And while about 95 percent of multiple pregnancies are still twins and the twins birth rate is going up, the rate at which women are having higher multiples has been increasing even faster. Between 1980 and 1999, the rate of twin births in the United States rose by 53 percent (a woman's likelihood of conceiving twins these days is about 1 in 33). During this same period, the rate of triplets and higher multiple births went up by 400 percent (it's about 1 in 555).
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So 1 in 33 births will be a multiple, and one in 555 will be more than 2. They do have higher death rates, though, so your point about mortality being zero is very true.
In any case, Happy Birthday, Hudson! I hope you were able to
smearshare that cake with dad...
