Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A089492
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A089492 Sequence of primes 2*p(n)+3 such that 2*p(n)+3, 2*p(n+1)+3, 2*p(n+2)+3, 2*p(n+3)+3 are consecutive primes, where p(i) denotes the i-th prime. +0
4
1552237, 4315469, 8774137, 9629197, 10048081, 10875149, 11469389, 14498741, 18280861, 18789629, 19309957, 19309981, 25386029, 27265457, 28398641, 29697029, 31298269, 31355297, 36792901, 47318969, 47487889, 55449689 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n) = 2*A089007(n)+3 = 2*A000040(A089009(n))+3 = A000040(A089524(n)).

EXAMPLE

p(62178)=776117, 2*776117+3=1552237=p(117814)

p(62179)=776119, 2*776119+3=1552241=p(117815)

p(62180)=776137, 2*776137+3=1552277=p(117816)

p(62181)=776143, 2*776143+3=1552289=p(117817)

CROSSREFS

Subsequence of A089450.

Cf. A089007, A089009, A089524.

Sequence in context: A126175 A128837 A126252 this_sequence A151620 A104827 A069374

Adjacent sequences: A089489 A089490 A089491 this_sequence A089493 A089494 A089495

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 04 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 December 17 13:29 EST 2009. Contains 170826 sequences.


AT&T Labs Research