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A068652 Numbers such that every cyclic permutation is a prime. 11
2, 3, 5, 7, 11, 13, 17, 31, 37, 71, 73, 79, 97, 113, 131, 197, 199, 311, 337, 373, 719, 733, 919, 971, 991, 1193, 1931, 3119, 3779, 7793, 7937, 9311, 9377, 11939, 19391, 19937, 37199, 39119, 71993, 91193, 93719, 93911, 99371, 193939, 199933, 319993 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

197 is a member as all the three cyclic permutations 197,971,719 are primes.

CROSSREFS

Cf. A003459.

Sequence in context: A090933 A107845 A090934 * A003459 A202264 A186307

Adjacent sequences:  A068649 A068650 A068651 * A068653 A068654 A068655

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 28 2002

EXTENSIONS

More terms from Martin Renner (martin.renner(AT)gmx.net), Apr 10 2002

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Last modified February 15 04:59 EST 2012. Contains 205694 sequences.