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Search: id:A100496
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| A100496 |
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Numbers n such that (2^n+1)^4-2 is prime. |
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+0
3
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OFFSET
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1,2
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LINKS
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Primeform: User group for PFGW & PrimeForm programs.
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EXAMPLE
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a(1) = 1 because (2^1+1)^4 - 2 = 79 is prime and is the first such prime.
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MATHEMATICA
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Select[Range[5000], PrimeQ[(2^# + 1)^4 - 2] &]
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PROGRAM
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Primeform, see link.
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CROSSREFS
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Cf. A091513, A091514, A093069, A099359.
Cf. A100497, n such that (2^n+1)^4-2 is semiprime.
Sequence in context: A034125 A075926 A065660 this_sequence A110081 A140716 A141393
Adjacent sequences: A100493 A100494 A100495 this_sequence A100497 A100498 A100499
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KEYWORD
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more,nonn
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AUTHOR
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Jonathan Vos Post (jvospost3(AT)gmail.com), Nov 23 2004
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EXTENSIONS
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Edited, corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net) and Hugo Pfoertner (hugo(AT)pfoertner.org), Nov 26 2004
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