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A069219 Number of cyclic primes with n digits. 1
4, 9, 12, 8, 10, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Every prime repunit is also a cyclic prime.
LINKS
P. De Geest, Circular Primes
CROSSREFS
Sequence in context: A085724 A106854 A099458 * A368742 A312848 A010413
KEYWORD
nonn,base
AUTHOR
Martin Renner, Apr 12 2002
EXTENSIONS
More terms from De Geest link by Ray Chandler, May 04 2017
STATUS
approved

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Last modified May 18 21:30 EDT 2024. Contains 372666 sequences. (Running on oeis4.)