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Search: id:A104073
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| A104073 |
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Primes of the form 2^n+7^2. |
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+0
1
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| 53, 113, 16433, 262193, 4194353, 67108913, 5846006549323611672814739330865132078623730171953, 1496577676626844588240573268701473812127674924007473
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OFFSET
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1,1
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FORMULA
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a(n) =if 2^n+7^2 is prime then a[m]=2^n+49
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MATHEMATICA
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a = Delete[Union[Flatten[Table[If [PrimeQ[2^n + 49] == True, 2^n + 49, 0], {n, 1, 400}]]], 1]
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CROSSREFS
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Sequence in context: A139504 A142798 A140025 this_sequence A044240 A044621 A142125
Adjacent sequences: A104070 A104071 A104072 this_sequence A104074 A104075 A104076
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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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