Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A066269
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A066269 Indices of primes in A066268. +0
8
2, 3, 33 (list; graph; listen)
OFFSET

0,1

COMMENT

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 this_sequence A083785 A046487 A062922

Adjacent sequences: A066266 A066267 A066268 this_sequence A066270 A066271 A066272

KEYWORD

nonn,hard,more,bref

AUTHOR

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 24 19:42 EST 2009. Contains 167435 sequences.


AT&T Labs Research