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A133410
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Least prime p such that p-6n is prime.
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0
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2, 11, 17, 23, 29, 37, 41, 47, 53, 59, 67, 71, 79, 83, 89, 97, 101, 107, 113, 127, 127, 131, 137, 149, 149, 157, 163, 167, 173, 179, 191, 191, 197, 211, 211, 223, 223, 227, 233, 239, 251, 251, 257, 263, 269, 277, 281, 293, 293, 307, 307, 311, 317, 331, 331, 337
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OFFSET
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0,1
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COMMENTS
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If duplicates are omitted, this is the sequence of primes p such that all p - phi(k) - 1 are composite for 1 <= phi(k)-1< p. [Michel Lagneau, Sep 14 2012].
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LINKS
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Table of n, a(n) for n=0..55.
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MATHEMATICA
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a={}; Do[i=6*n+1; While[Not[PrimeQ[i]&&PrimeQ[i-6*n]], i++ ]; AppendTo[a, i], {n, 0, 60}]; a - Stefan Steinerberger, Nov 26 2007
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CROSSREFS
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Cf. A133387.
Sequence in context: A105877 A173638 A018420 * A156829 A105840 A225590
Adjacent sequences: A133407 A133408 A133409 * A133411 A133412 A133413
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KEYWORD
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nonn
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AUTHOR
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Pierre CAMI, Nov 25 2007
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EXTENSIONS
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More terms from Stefan Steinerberger, Nov 26 2007
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STATUS
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approved
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