login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A069219 Number of cyclic primes with n digits. 0
4, 9, 12, 8, 10, 12, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Every prime repunit is also a cyclic prime.

CROSSREFS

Cf. A068652.

Cf. A004022, A004023.

Sequence in context: A085724 A106854 A099458 * A010413 A112652 A140399

Adjacent sequences:  A069216 A069217 A069218 * A069220 A069221 A069222

KEYWORD

nonn,base

AUTHOR

Martin Renner (martin.renner(AT)gmx.net), Apr 12 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 07:41 EST 2012. Contains 205998 sequences.