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A062604 Numbers k such that 38^k - 37^k is prime. 1
3, 379, 383, 1373, 1609, 24611, 38281 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms greater than 1000 are often only strong pseudoprimes.

a(8) > 10^5. - Robert Price, Sep 03 2012

LINKS

Table of n, a(n) for n=1..7.

PROG

(PARI) is(n)=ispseudoprime(38^n-37^n) \\ Charles R Greathouse IV, Jun 12 2017

CROSSREFS

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

Sequence in context: A068988 A136025 A157577 * A160192 A304424 A316279

Adjacent sequences:  A062601 A062602 A062603 * A062605 A062606 A062607

KEYWORD

nonn,hard

AUTHOR

Mike Oakes, May 18 2001, May 19 2001

EXTENSIONS

a(6) and a(7) from Robert Price, Sep 03 2012

STATUS

approved

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Last modified May 21 10:41 EDT 2022. Contains 353908 sequences. (Running on oeis4.)