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A062609
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Numbers k such that 43^k - 42^k is prime or a strong pseudoprime.
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2
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OFFSET
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1,1
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COMMENTS
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a(5) > 10^5 - Robert Price, Dec 24 2012
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LINKS
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Table of n, a(n) for n=1..4.
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PROG
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(PARI) forprime(n=1, 9999, ispseudoprime(43^n-42^n) && print1(n", ")) \\ - M. F. Hasler, Sep 21 2013
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CROSSREFS
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Cf. A000043, A057468, A059801-A059803, A062572-A062608, A215632, A062611-A062666.
Sequence in context: A258776 A201710 A019008 * A004660 A208060 A284194
Adjacent sequences: A062606 A062607 A062608 * A062610 A062611 A062612
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KEYWORD
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nonn,hard
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AUTHOR
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Mike Oakes, May 18 2001, May 19 2001
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EXTENSIONS
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Edited by M. F. Hasler, Sep 21 2013
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STATUS
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approved
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