Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A084124
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A084124 Numbers n such that 11*3^n + 2 is prime. +0
1
0, 2, 8, 10, 11, 38, 68, 88, 158, 200, 248, 1076, 1252, 1586 (list; graph; listen)
OFFSET

1,2

COMMENT

Values corresponding to 38, 68, 88, 158, 200, 248, 1076, 1252, and 1586 (758 digits) have been certified prime with Primo. There are no other terms <= 6000.

EXAMPLE

Primes 13,101,72173,649541 are 11*3^0+2, 11*3^2+2, 11*3^8+2, 11*3^10+2.

PROGRAM

(PARI) for(n=0, 6000, if(isprime(11*3^n+2), print1(n, ", ")))

CROSSREFS

Sequence in context: A139370 A101532 A032708 this_sequence A081693 A022298 A102278

Adjacent sequences: A084121 A084122 A084123 this_sequence A084125 A084126 A084127

KEYWORD

nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 14 2003

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 August 19 23:53 EDT 2008. Contains 142930 sequences.


AT&T Labs Research