I just generated a random world in Minecraft, and I spawned on one of two islands in the middle of the Ocean. There is only one tree! Here's some screenshots: 

Seed: 6030751413699723858

This seed only works on Minecraft PC, version 1.4.5. If MC updates, and this seed no longer works, well... I still have a backup of that world saved... now I have to figure out how to make it possible for other people do download it. :p

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