Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/tests/nofib/UNUSED/nfib/Main.hs

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Distributed under the MIT License.
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-- !!! the ultra-notorious "nfib 30"
--
module Main (main) where

main = print (nfib 30)

nfib :: Int -> Int
nfib n = if n <= 1 then 1 else nfib (n-1) + nfib (n-2) + 1

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