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A160561 Cyclops primes with circular digits {0,6,8,9}. 0
809, 66089, 68099, 86069, 88069, 89069, 99089, 6680689, 6680699, 6680969, 6690689, 6690899, 6690989, 6860869, 6860989, 6860999, 6890699, 6890969, 6960869, 6980669, 6980899, 6980969, 6990889, 8660689, 8660699, 8660969 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

The sequence is probably infinite.

The sequence A134809 restricted to cases with digits 6, 8 or 9 (see A001743) at the off-center positions.

CROSSREFS

Intersection of A000040 (primes), A001743 (numbers with circular digits) and A134808 (cyclops numbers).

Also intersection of A043580 (primes with circular digits) and A134809 (cyclops primes).

Cf. A134808, A134809, A153807, A156200

Sequence in context: A202586 A204836 A160034 * A156404 A203844 A068278

Adjacent sequences:  A160558 A160559 A160560 * A160562 A160563 A160564

KEYWORD

nonn,base

AUTHOR

Ki Punches (ki1212(AT)pocketmail.com), May 19 2009

EXTENSIONS

Edited and corrected by Ray Chandler (rayjchandler(AT)sbcglobal.net) and R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 20 2009

Definition simplified by Omar E. Pol (info(AT)polprimos.com), Jun 05 2009

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Last modified February 14 07:16 EST 2012. Contains 205589 sequences.