login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A048630 n-th 4k+1 prime times n-th 4k-1 prime. 0
15, 91, 187, 551, 851, 1271, 2279, 2867, 4307, 5963, 6887, 7979, 9047, 11639, 14659, 18923, 20567, 24047, 27331, 31459, 32899, 40991, 44503, 47959, 54227, 59987, 62879, 67159, 73543, 82319, 85907, 95371, 107143, 109783, 123463 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

A002144(n)*A002145(n).

Sequence in context: A179096 A001297 A005716 * A035163 A020242 A020255

Adjacent sequences:  A048627 A048628 A048629 * A048631 A048632 A048633

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Den Roussel (DenRoussel(AT)webtv.net)

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 11:51 EST 2012. Contains 205908 sequences.