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Lakret/hyperfactorial.fs

Created June 24, 2014 22:57
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hyperfactorial.fs
let hyperfactorial k =
[k .. -1 .. 1]
|> Seq.map (fun x -> Seq.init x (fun _ -> x))
|> Seq.fold (fun acc ss -> acc * (Seq.reduce (*) ss)) 1
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