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A068654 Prime numbers whose every cyclic permutation other than the number itself is composite. +0
1
19, 23, 29, 41, 43, 47, 53, 59, 61, 67, 83, 89, 109, 137, 139, 151, 167, 179, 193, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 281, 283, 293, 347, 349, 353, 383, 389, 401, 409, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 487, 499, 503, 509 (list; graph; listen)
OFFSET

0,1

EXAMPLE

167 is a member as the two cyclic permutations other than the number itself i.e. 671 and 716 are composite.

CROSSREFS

Cf. A003459, A068652, A068653.

Sequence in context: A073319 A120640 A076056 this_sequence A019384 A088987 A104047

Adjacent sequences: A068651 A068652 A068653 this_sequence A068655 A068656 A068657

KEYWORD

base,nonn

AUTHOR

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

EXTENSIONS

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 21 2002

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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