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A108272 Consider primes p and q such that p = 2^k + 21 and q = 2^(k+1) + 21 for some k; sequence gives values of p. +0
1
29, 37, 149, 32789, 2251799813685269 (list; graph; listen)
OFFSET

0,1

COMMENT

It appears that these values are merely conjectures. - njas, Jun 30 2005

PROGRAM

(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(y", ") ) ) }

CROSSREFS

Sequence in context: A107134 A139851 A139895 this_sequence A121999 A069530 A087144

Adjacent sequences: A108269 A108270 A108271 this_sequence A108273 A108274 A108275

KEYWORD

nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Jun 29 2005

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.


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