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A178835
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Primes of the form 19 * 2^n - 1.
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1
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37, 151, 607, 39845887, 41781441855487, 10696049115004927, 11760430373211112611541680127, 206891679087930585785731761318515072565247, 52964269846510229961147330897539858576703487, 888592995497188974267840378291500075950806986129407
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OFFSET
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1,1
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COMMENTS
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Main entry for this sequence is A001775.
Also primes of the form 38 * 4^n - 1, since even-numbered exponents yield numbers divisible by three.
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LINKS
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MATHEMATICA
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PROG
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(Magma) [a: n in [0..250] | IsPrime(a) where a is (19 * 2^n - 1)]; // Vincenzo Librandi, Mar 08 2014
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Kevin Batista (kevin762401(AT)yahoo.com), Jun 16 2010
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EXTENSIONS
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STATUS
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approved
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