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A099230 Numbers n such that n*((2^61-1)^3) - 1 and n*((2^61-1)^3) + 1 are twin primes. 2
27258, 33192, 36318, 39288, 47478, 59778, 86940, 114000, 114462, 117852, 156900, 157848, 182070, 212670, 220020, 229572, 248328, 281622, 290490, 293832, 303732, 307590, 317328, 364080, 376950, 378030, 390702, 419100, 423192, 432870, 437322, 454848, 473622 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..33.

MATHEMATICA

tpQ[n_]:=Module[{c=(2^61-1)^3}, AllTrue[n*c+{1, -1}, PrimeQ]]; Select[ Range[ 600000], tpQ] (* The program uses the AllTrue function from Mathematica version 10 *) (* Harvey P. Dale, May 16 2016 *)

CROSSREFS

Cf. A099229 A099231.

Sequence in context: A157820 A251777 A032746 * A267706 A237381 A109481

Adjacent sequences:  A099227 A099228 A099229 * A099231 A099232 A099233

KEYWORD

nonn

AUTHOR

Pierre CAMI, Oct 07 2004

EXTENSIONS

Corrected and extended by Harvey P. Dale, May 16 2016

STATUS

approved

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Last modified January 20 06:50 EST 2019. Contains 319325 sequences. (Running on oeis4.)