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<elliott> addquote <fowl> one day we\'ll be able to put evil people inside mirrors and throw them into space like superman 2
author HackBot
date Fri, 25 Apr 2014 03:31:28 +0000
parents 7f957c1f4661
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import Data.List(inits);main = let p = 1 : zipWith (+) (map (*4) p) (map (sum . zipWith (*) p . reverse) (inits p)) in print $ p !! 1000