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A062630 Numbers n such that 64^n - 63^n is prime. 0
2, 3, 11, 31, 349, 379, 14669, 19001, 49957, 68909 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms greater than 1000 are often only strong pseudoprimes.

a(11) > 10^5. - Robert Price, Jul 08 2013

LINKS

Table of n, a(n) for n=1..10.

PROG

(PARI) is(n)=ispseudoprime(64^n-63^n) \\ Charles R Greathouse IV, Jun 13 2017

CROSSREFS

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Sequence in context: A032357 A144056 A268687 * A296005 A159458 A057838

Adjacent sequences:  A062627 A062628 A062629 * A062631 A062632 A062633

KEYWORD

nonn,hard

AUTHOR

Mike Oakes, May 18 2001, May 19 2001

EXTENSIONS

a(7)-a(10) from Robert Price, Jul 08 2013

STATUS

approved

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Last modified February 23 22:52 EST 2018. Contains 299595 sequences. (Running on oeis4.)