Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A128661
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A128661 Numbers n such that p(n+1)#+p(n)#-p(n-1)#-1 is prime where p(i)#=product of first i primes=A002110(i). +0
6
3, 7, 14, 15, 21, 32, 34, 47, 67, 69, 174, 369, 568 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Cf. A002110, A128420, A128421, A128657, A128658, A128659, A128660, A128662.

Sequence in context: A089305 A112618 A058027 this_sequence A009461 A143630 A001843

Adjacent sequences: A128658 A128659 A128660 this_sequence A128662 A128663 A128664

KEYWORD

nonn

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Mar 19 2007

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 23:16 EST 2009. Contains 167481 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.