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Search: id:A108312
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| A108312 |
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Integers n such that 10^n+27 is prime. |
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+0
14
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OFFSET
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1,2
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COMMENT
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No more terms through 10000. - Ryan Propper (rpropper(AT)stanford.edu), Nov 06 2005
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EXAMPLE
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For n =2 we have 10^2+27 = 100+27 = 127, which is prime.
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MATHEMATICA
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Do[ If[ PrimeQ[10^n + 27], Print[n]], {n, 3000}] (from Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 01 2005)
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CROSSREFS
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Cf. A049054, A088274, A088275, A095688, A107083, A108049, A108050, A108052, A108054.
Sequence in context: A090434 A062603 A007353 this_sequence A065591 A099373 A078166
Adjacent sequences: A108309 A108310 A108311 this_sequence A108313 A108314 A108315
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KEYWORD
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hard,nonn
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AUTHOR
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Julien Peter Benney (jpbenney(AT)ftml.net), Jun 29 2005
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