Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A085149
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A085149 n!!!!!-1 is prime. +0
4
3, 4, 6, 7, 8, 12, 13, 14, 27, 28, 33, 35, 44, 50, 62, 64, 74, 88, 114, 140, 142, 242, 248, 262, 270, 284, 395, 473, 582, 600, 634, 707, 805, 882, 907, 1008, 1152, 1243, 1853, 2340, 2410, 2703, 2793, 3033, 3600, 3925, 4124, 4154, 6185, 6367, 7130, 9104, 9992 (list; graph; listen)
OFFSET

1,1

COMMENT

The search for multifactorial primes started by Ray Ballinger is now continued by a team of volunteers on the website of Ken Davis (see link).

LINKS

Ken Davis, Status of Search for Multifactorial Primes. This site continues the work started by Ray Ballinger.

Ken Davis, Results for n!5-1.

CROSSREFS

Cf. A085157 (quintuple factorials), A085148.

Sequence in context: A007609 A002191 A108348 this_sequence A007370 A044813 A154661

Adjacent sequences: A085146 A085147 A085148 this_sequence A085150 A085151 A085152

KEYWORD

hard,nonn

AUTHOR

Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 23 2003

EXTENSIONS

More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 03 2008

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 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research