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A099231 Numbers n such that n*((2^61-1)^4) - 1 and n*((2^61-1)^4) + 1 are twin primes. 2

%I #7 Jun 26 2022 05:11:32

%S 53820,60042,84978,101862,110502,178812,181668,222378,245910,266808,

%T 275280,310392,353568,353598,354750,373692,477162,491838,498132

%N Numbers n such that n*((2^61-1)^4) - 1 and n*((2^61-1)^4) + 1 are twin primes.

%t With[{c=(2^61-1)^4},Select[Range[500000],AllTrue[c*#+{1,-1},PrimeQ]&]] (* The program uses the AllTrue function from Mathematica version 10 *) (* _Harvey P. Dale_, Aug 30 2015 *)

%Y Cf. A099229, A099230.

%K nonn

%O 1,1

%A _Pierre CAMI_, Oct 07 2004

%E More terms from _Harvey P. Dale_, Aug 30 2015

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)