Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A051648
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A051648 Primes of form 210p+1 where p is a prime. +0
2
421, 631, 1051, 1471, 2311, 2731, 3571, 4831, 6091, 9871, 11131, 12391, 14071, 15331, 17431, 18691, 21211, 28771, 29191, 32971, 34231, 37591, 38011, 40111, 40531, 46831, 48091, 52711, 56911, 58171, 59011, 65731, 66571, 72871, 73291 (list; graph; listen)
OFFSET

1,1

COMMENT

Generalization of A005385. Can be called 210-safe primes;

FORMULA

A002110[4]*p+1=210p+1 primes

EXAMPLE

631 is here because 631=210p+1, where p=3.

CROSSREFS

A005384, A005385, A007693, A002110.

Sequence in context: A028683 A014890 A031784 this_sequence A050962 A020376 A023353

Adjacent sequences: A051645 A051646 A051647 this_sequence A051649 A051650 A051651

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu)

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 September 7 15:23 EDT 2008. Contains 143483 sequences.


AT&T Labs Research