The solution is to pair post pubescent women with slightly older men and breed as rapidly as possible while building the infrastructure necessary for a society.
sounds like Rick Shelly, "Sylph" or "The Sylph", in Analog.
The good news is that I probably have that issue of Analog in a box somewhere in the garage.
Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)