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A062636 Numbers n such that 70^n - 69^n is prime. 0
2, 11, 1301, 78989, 83117 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms greater than 1000 are often only strong pseudo-primes.

a(6) > 10^5. - Robert Price Jan 15 2014

LINKS

Table of n, a(n) for n=1..5.

CROSSREFS

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

Sequence in context: A084673 A034388 A131316 * A051254 A095820 A101295

Adjacent sequences:  A062633 A062634 A062635 * A062637 A062638 A062639

KEYWORD

nonn,hard,bref

AUTHOR

Mike Oakes, May 18 2001, May 19 2001

EXTENSIONS

a(4)-a(5) from Robert Price, Jan 15 2014 (Computer run by Adam Marciniec)

STATUS

approved

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Last modified September 1 15:01 EDT 2014. Contains 246307 sequences.