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A088256 Primorials which are sandwiched between twin prime pairs. 3
6, 30, 2310 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Conjecture: sequence is finite.

No more terms in the first 300 primorials. - David Wasserman (wasserma(AT)spawar.navy.mil), Jul 25 2005

EXAMPLE

210 = primorial (4) is not a member as 209 is composite.

CROSSREFS

Cf. A088257.

Sequence in context: A066388 A200894 A202861 * A136349 A119411 A036285

Adjacent sequences:  A088253 A088254 A088255 * A088257 A088258 A088259

KEYWORD

more,nonn,bref

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 27 2003

EXTENSIONS

Corrected by Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 28 2003

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Last modified February 16 09:00 EST 2012. Contains 205904 sequences.