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A066269 Indices of primes in A066268. 7
2, 3, 33 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

The 33th term, prime 16268...99999, contains 759 digits.

Next term is bigger than 150. - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), May 06 2007

LINKS

C. Rivera, Primorial product numbers

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

MATHEMATICA

Select[Range[65], PrimeQ[Product[Product[Prime[i], {i, 1, n}], {n, 1, #}]-1]&] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Apr 12 2006

CROSSREFS

Cf. A066266, A066267, A066268, A002110, A006939, A006794.

Sequence in context: A052830 A041895 A079883 * A083785 A046487 A062922

Adjacent sequences:  A066266 A066267 A066268 * A066270 A066271 A066272

KEYWORD

nonn,hard,more,bref

AUTHOR

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

EXTENSIONS

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

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Last modified February 17 20:50 EST 2012. Contains 206085 sequences.