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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A120228 Numbers n such that a+n and a*n+1 are prime, case a=8. 1
5, 9, 11, 29, 35, 39, 51, 65, 71, 75, 95, 101, 119, 129, 131, 141, 149, 165, 185, 215, 219, 225, 249, 261, 269, 285, 299, 305, 309, 329, 339, 341, 371, 375, 381, 401, 431, 441, 449, 459, 471, 479, 491, 555, 591, 599, 611, 635, 639, 651, 711, 725, 731, 735, 761 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Cases a=4 A120226, a=5 A120227, a=6 A120222. Prime numbers p such that a+p and a*p+1 are prime A106057-A106066.

CROSSREFS

Cf. A106057-A106066, A120222, A120226, A120227.

Sequence in context: A101284 A102182 A190894 * A053749 A099082 A062217

Adjacent sequences:  A120225 A120226 A120227 * A120229 A120230 A120231

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Jun 10 2006

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 17 14:50 EST 2012. Contains 206050 sequences.