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A066642
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a(n) = floor(n^(n/2)).
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6
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1, 2, 5, 16, 55, 216, 907, 4096, 19683, 100000, 534145, 2985984, 17403307, 105413504, 661735513, 4294967296, 28761784747, 198359290368, 1406563064942, 10240000000000, 76436817165460, 584318301411328, 4569515072723572
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OFFSET
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1,2
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LINKS
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EXAMPLE
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a(5) = 55 as {5^(1/2)}^5 = 55.9016994374947424102293417182819...
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MATHEMATICA
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Table[ Floor[Sqrt[n]^n], {n, 1, 25} ]
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PROG
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(Magma) [Floor(n^(n/2)): n in [1..25]]; // G. C. Greubel, Dec 30 2017
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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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EXTENSIONS
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STATUS
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approved
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