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A270104
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Numbers n such that 3^n + n*2^n is prime.
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1
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1, 2, 7, 8, 13, 43, 55, 59, 145, 149, 545, 2468, 4049, 4055, 15653, 22765
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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n = 2 is a term since 3^2 + 2*2^2 = 17 is prime.
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MATHEMATICA
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Select[Range[1000], PrimeQ[3^# + # * 2^#]&] (* Giovanni Resta, May 05 2016 *)
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PROG
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(MATLAB)
if isprime(3^n + n*2^n)
disp(n)
end
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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