Pokemon Red/Blue - RNG and the impossible DV combinations
Not all 65535 theoretically possible combinations of DVs are possible to find on regular wild Pokemon. This video explains how RNG works in the Gameboy, and in Pokemon Red and Blue in particular, focusing on the RNG involved during the generation of wild Pokemon data.
Pokemon Speedruns - Pokémon Red/Blue Wild DVs: http://wiki.pokemonspeedruns.com/index.php?title=Pok%C3%A9mon_Red/Blue_Wild_DVs
The complete list of DV combinations for all existing encounter rates can be found here: http://www.smogon.com/forums/threads/15-15-15-15-dvs-are-impossible-in-most-cases.3573219/page-2#post-6915001
Other Videos By Crystal_
Other Statistics
Pokémon Red and Blue Statistics For Crystal_
At present, Crystal_ has 796,590 views spread across 41 videos for Pokémon Red and Blue, and close to 6 hours worth of content for Pokémon Red and Blue published on his channel. This is 32.95% of the total watchable video on Crystal_'s YouTube channel.