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A195530
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Primes of the form 3*2^n - 2*n - 1.
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0
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2, 3, 7, 17, 179, 751, 6121, 12263, 49123, 393181, 50331599, 201326539, 13194139533227, 56668397794435742564203, 1856910058928070412348686157, 8769009823985417509222108996297698117935595257533, 4597486622597666575075041081450927550856217366550806167
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OFFSET
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1,1
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COMMENTS
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Generated by n = 0, 1, 2, 3, 6, 8, 11, 12, 14, 17, 24, 42, 74, 89, 161, 180,...
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LINKS
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FORMULA
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MATHEMATICA
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Select[Table[3 2^n-2n-1, {n, 0, 200}], PrimeQ] (* Harvey P. Dale, May 24 2012 *)
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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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