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A062599 Numbers n such that 33^n - 32^n is prime. 0
3, 7, 547, 5419, 16301, 36433 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms greater than 1000 are often only strong pseudoprimes.

No other terms less than 100000. - Robert Price, Apr 03 2012

All terms are prime. - Robert Price, Apr 03 2012

LINKS

Table of n, a(n) for n=1..6.

MATHEMATICA

Select[Range[100000], PrimeQ[33^# - 32^#] &]

PROG

(PARI) is(n)=ispseudoprime(33^n-32^n) \\ Charles R Greathouse IV, Jun 13 2017

CROSSREFS

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

Sequence in context: A199365 A153217 A120905 * A101246 A056801 A302987

Adjacent sequences:  A062596 A062597 A062598 * A062600 A062601 A062602

KEYWORD

nonn,hard

AUTHOR

Mike Oakes, May 18 2001, May 19 2001

EXTENSIONS

a(5)-a(6) from Robert Price with assistance from Adam Marciniec, Apr 03 2012

STATUS

approved

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Last modified April 4 23:59 EDT 2020. Contains 333238 sequences. (Running on oeis4.)