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A325886 Bases b where exactly ten primes p with p < b exist such that p is a base-b Wieferich prime. 9
13834, 73837, 151325, 172324, 182973, 213615, 233009, 275786, 283877, 296449 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Numbers n such that A255920(n) = 10.
LINKS
PROG
(PARI) is(n) = my(i=0); forprime(p=1, n-1, if(Mod(n, p^2)^(p-1)==1, i++)); i==10
CROSSREFS
Cf. A255920.
Cf. bases b with exactly k base-b Wieferich primes less than b: A255921 (k=0), A255922 (k=1), A255923 (k=2), A255924 (k=3), A255925 (k=4), A325881 (k=5), A325882 (k=6), A325883 (k=7), A325884 (k=8), A325885 (k=9).
Sequence in context: A013821 A013912 A179582 * A151642 A235004 A263976
KEYWORD
nonn,more
AUTHOR
Felix Fröhlich, May 26 2019
STATUS
approved

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Last modified July 21 18:08 EDT 2024. Contains 374475 sequences. (Running on oeis4.)