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A208456
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Numbers n such that prime(n) <= 2^(prime(n+1)-prime(n)) < prime(n+1).
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0
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OFFSET
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1,2
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COMMENTS
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Next term is approximately 1.386 * 10^43. [Charles R Greathouse IV, Feb 26 2012]
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LINKS
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Table of n, a(n) for n=1..7.
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PROG
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(PARI) for(k=1, log(default(primelimit))\log(2), p=precprime(2^k); q=nextprime(2^k+1); t=2^(q-p); if(p<=t&&q>t, print1(primepi(p)", "))) \\ Charles R Greathouse IV, Feb 26 2012
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CROSSREFS
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Cf. A206482, A208151.
Sequence in context: A162064 A162056 A212653 * A056743 A064535 A128123
Adjacent sequences: A208453 A208454 A208455 * A208457 A208458 A208459
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KEYWORD
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nonn,changed
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AUTHOR
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Gerasimov Sergey, Feb 26 2012
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EXTENSIONS
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a(4) corrected, a(6)-a(7) added by Charles R Greathouse IV, Feb 26 2012
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STATUS
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approved
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