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A086166
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(2^n - 1)^(2^n - 1).
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1
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1, 27, 823543, 437893890380859375, 17069174130723235958610643029059314756044734431, 228273036346967044979900512337165522400819024722490933829954793073267717315004135590642802687246850771579138342847
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OFFSET
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1,2
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LINKS
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FORMULA
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MATHEMATICA
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f[n_]:=Module[{x=2^n-1}, x^x]
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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