[Haskell-beginners] oddsFrom3 function

I am a haskell beginner and wondering how the following function works (in procedure) : oddsFrom3 :: [Integer] oddsFrom3 = 3 : map (+2) oddsFrom3 Thanks for your help. -- A GNU [1] LINUX [2] Patron Links: ------ [1] http://gnu.org [2] http://www.linuxfoundation.org/