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A070758
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Values of floor((3/2)^n) that are composite.
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4
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25, 38, 57, 86, 129, 194, 291, 437, 656, 985, 1477, 2216, 3325, 11222, 16834, 25251, 37876, 56815, 85222, 127834, 191751, 287626, 431439, 647159, 970739, 1456109, 2184164, 3276246, 4914369, 7371554, 11057332, 16585998, 24878997, 37318496
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OFFSET
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1,1
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REFERENCES
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R. K. Guy, Unsolved Problems in Number Theory, E19
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LINKS
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MAPLE
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remove(isprime, [seq(floor((3/2)^n), n=2..100)]); # Robert Israel, Oct 30 2019
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MATHEMATICA
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Select[Floor[(3/2)^Range[50]], CompositeQ] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 11 2017 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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