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A256300
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Least prime p such that p+6^k is prime for all k=0,...,n.
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1
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OFFSET
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0,1
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COMMENTS
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The function f(k;p) = p+6^k could be termed an example of a non-polynomial prime generating function.
Since 6^n (mod 11) cycles through 6,3,7,9,10,5,8,4,2,1,... there is no a(10). - John Cerkan, Jul 01 2017
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LINKS
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PROG
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(PARI) a(n)=forprime(p=1, , for(i=1, n, ispseudoprime(p+6^i)||next(2)); return(p))
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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