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A062629 Numbers n such that 63^n - 62^n is prime. 0
3, 59, 3499, 3571 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms greater than 1000 are often only strong pseudoprimes.

a(5) > 10^5. - Robert Price, Jun 05 2013

LINKS

Table of n, a(n) for n=1..4.

PROG

(PARI) is(n)=ispseudoprime(63^n-62^n) \\ Charles R Greathouse IV, Jun 13 2017

CROSSREFS

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

Sequence in context: A201850 A013526 A305597 * A184953 A185153 A215609

Adjacent sequences:  A062626 A062627 A062628 * A062630 A062631 A062632

KEYWORD

nonn,hard

AUTHOR

Mike Oakes, May 18 2001, May 19 2001

STATUS

approved

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Last modified June 18 11:58 EDT 2021. Contains 345098 sequences. (Running on oeis4.)