A120228 - OEIS

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A120228

Numbers k such that 8+k and 8*k+1 are prime.

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; text; internal format)

OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[800], AllTrue[{8+#, 8#+1}, PrimeQ]&] (* Harvey P. Dale, May 28 2016 *)

CROSSREFS

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

Sequence in context: A190894 A214262 A288143 * A053749 A099082 A062217

Adjacent sequences: A120225 A120226 A120227 * A120229 A120230 A120231

KEYWORD

nonn

AUTHOR

Zak Seidov, Jun 10 2006

STATUS

approved