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A105453 Numbers n such that prime(n)+n prime(n+1) is prime. 1
2, 14, 16, 20, 24, 30, 40, 44, 48, 72, 76, 84, 96, 120, 122, 160, 168, 182, 214, 230, 254, 266, 270, 280, 288, 292, 294, 330, 338, 360, 390 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

bb={}; Do[If[PrimeQ[Prime[n]+n Prime[n+1]], bb=Append[bb, n]], {n, 2, 400, 2}]; bb

CROSSREFS

Sequence in context: A194230 A109993 A075041 * A199368 A121716 A194379

Adjacent sequences:  A105450 A105451 A105452 * A105454 A105455 A105456

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), May 02 2005

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.