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A062615 Numbers k such that 49^k - 48^k is prime. 0
2, 3, 7, 379 (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, Dec 03 2012
LINKS
Table of n, a(n) for n=1..4.
PROG
(PARI) is(n)=ispseudoprime(49^n-48^n) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Cf. A000043, A057468, A059801, A059802, A062572-A062666.
Sequence in context: A100763 A132538 A334726 * A180162 A129907 A046284
Adjacent sequences: A062612 A062613 A062614 * A062616 A062617 A062618
KEYWORD
nonn,hard
AUTHOR
Mike Oakes, May 18 2001, May 19 2001
STATUS
approved

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Last modified May 14 00:47 EDT 2024. Contains 372528 sequences. (Running on oeis4.)