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A066267 a(n)-th term of A066266 is prime. 3
1, 2, 5, 12, 15, 35 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

The next term, if it exists, is greater than 120. [From Dmitry Kamenetsky (dkamen(AT)rsise.anu.edu.au), May 11 2009]

LINKS

C. Rivera, Primorial product numbers

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Cf. A066266, A066268, A066269, A002110, A006939, A005234.

Sequence in context: A114217 A192524 A102718 * A084122 A042143 A042467

Adjacent sequences:  A066264 A066265 A066266 * A066268 A066269 A066270

KEYWORD

nonn,hard,more

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 16 2001.

EXTENSIONS

OFFSET changed from 0,2 to 1,2 by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Feb 08 2010

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.