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Search: id:A104070
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| A104070 |
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Primes of the form 2^n+3^2. |
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+0
3
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| 11, 13, 17, 41, 73, 137, 521, 1033, 262153, 8388617, 1073741833, 137438953481, 140737488355337, 144115188075855881, 73786976294838206473, 4835703278458516698824713, 39614081257132168796771975177
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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a = Delete[Union[Flatten[Table[If [PrimeQ[2^n + 9] == True, 2^ n + 9, 0], {n, 1, 400}]]], 1]
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CROSSREFS
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Cf. A057196 (numbers n such that 2^n + 9 is prime). [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Mar 14 2009]
Sequence in context: A032502 A167794 A019336 this_sequence A019371 A068335 A087776
Adjacent sequences: A104067 A104068 A104069 this_sequence A104071 A104072 A104073
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KEYWORD
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nonn
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AUTHOR
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Roger Lee Bagula (rlbagulatftn(AT)yahoo.com), Mar 02 2005
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