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A155853
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Numbers n such that 13*n + 3 is a prime.
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2
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0, 2, 8, 16, 20, 28, 32, 40, 46, 50, 58, 62, 68, 76, 82, 98, 100, 106, 110, 112, 116, 128, 130, 140, 146, 152, 160, 166, 170, 172, 188, 190, 196, 208, 218, 232, 250, 256, 266, 272, 278, 280, 296, 298, 302, 308, 316, 326, 338, 340, 358, 368, 370, 380, 382, 386
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OFFSET
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1,2
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COMMENTS
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From Avik Roy (avik_3.1416(AT)yahoo.co.in), Feb 02 2009: (Start)
Only numbers of the form 6m+-2 can be included in this sequence.
All terms are evidently even and thus it can be concluded that 13n+3 can't be a prime if n itself is a prime greater than 2. (End)
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LINKS
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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