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A259502 Primes p such that nextprime(p + 1)^(p - 1) == 1 (mod p^2). 1
5, 47, 151051, 240727, 911135839 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Nextprime as defined in A007918.
These are Wieferich primes p to a prime base q where the difference between p and q has minimal or almost minimal (if the difference between p and the previous prime is smaller) value.
No further terms up to 10^9.
LINKS
PROG
(PARI) forprime(p=1, , if(Mod(nextprime(p+1), p^2)^(p-1)==1, print1(p, ", ")))
CROSSREFS
Sequence in context: A069985 A300336 A086776 * A291863 A247705 A215543
KEYWORD
nonn,hard,more
AUTHOR
Felix Fröhlich, Nov 08 2015
STATUS
approved

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Last modified March 28 13:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)