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A063898
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Smallest n such that n + F_j are all primes for 0 < j <= n, where F_j is the j-th Fermat number.
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0
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OFFSET
| 1,1
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COMMENTS
| Is this sequence finite?
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EXAMPLE
| For j=4 a(4)=14 because 65537+14, 257+14, 17+14, 5+14, 3+14 are all primes.
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CROSSREFS
| A000215 (Fermat numbers)
Sequence in context: A077991 A049148 A183584 * A074052 A129409 A025521
Adjacent sequences: A063895 A063896 A063897 * A063899 A063900 A063901
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KEYWORD
| more,nonn
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AUTHOR
| Felice Russo (frusso(AT)micron.com), Aug 29 2001
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EXTENSIONS
| a(10) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Oct 12 2008
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