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Search: id:A108293
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| A108293 |
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Consider primes p and q such that p = 2^k + 27 and q = 2^(k+1) + 27 for some k; sequence gives values of q. |
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1
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| 31, 59, 16411, 2199023255579, 21778071482940061661655974875633165533211
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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It appears that these values are merely conjectures. - njas, Jun 30 2005
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PROGRAM
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(PARI) g(m, n, b) = { for(x=0, n, y=m+b^x+b%2; z=m+b^(x+1)+b%2; if(isprime(y)&isprime(z), print1(z", ") ) ) }
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CROSSREFS
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Sequence in context: A043953 A139954 A109840 this_sequence A063339 A115833 A052158
Adjacent sequences: A108290 A108291 A108292 this_sequence A108294 A108295 A108296
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KEYWORD
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nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Jun 29 2005
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