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A102906
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Primes of the form 3^n+28=3^n+27+1.
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2
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29, 31, 37, 109, 271, 757, 59077, 4782997, 43046749, 847288609471, 717897987691852588770277, 58149737003040059690390197, 30903154382632612361920641803557, 1824800363140073127359051977856583949
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OFFSET
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1,1
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COMMENTS
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The sequence of the corresponding n starts 0, 1, 2, 4, 5, 6, 10, 14, 16, 25, 50, 54, 66, 76, 109, 124, 129, 154, 201, 210, 225, 324, 844, 1444, 2529, 3029, 3292, 3340, ... [Joerg Arndt, Jul 19 2012]
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LINKS
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MATHEMATICA
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PROG
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(Magma) [ a: n in [0..100] | IsPrime(a) where a is 3^n+28 ]; // Vincenzo Librandi, Jul 19 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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EXTENSIONS
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STATUS
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approved
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