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A062604
Numbers k such that 38^k - 37^k is prime.
1
3, 379, 383, 1373, 1609, 24611, 38281
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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:
A136025
A370448
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 July 15 00:37 EDT 2024. Contains 374323 sequences. (Running on oeis4.)