Seeds are determined by what you name the world at the end of creating one. For example, if you name your world "BASE test" the seed will generate based off of that name which then anyone can use. Also do keep in mind that, seeds are case sensitive including the space between names etc. With that being said, "BASE test" is a pretty solid seed on Console which has (11) Towns, (3) Hub Cities, (2) Missle Silos, (10) Traders and a OReally Auto Parts as well. Hope this answers your question, cheers!