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A216071
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Brocard's problem: positive integers m such that m^2 = n! + 1 for some n.
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5
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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MATHEMATICA
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Sqrt[#!+1]&/@Select[Range[1000], IntegerQ[Sqrt[#!+1]]&] (* Harvey P. Dale, Sep 29 2012 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,hard,bref
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AUTHOR
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STATUS
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approved
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