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A049483 Both p and p+Q(5) are primes, where Q(5)=2310 is the 5th primorial number (A002110[ 5 ]). 2

%I #6 Oct 15 2013 22:30:27

%S 23,29,31,37,41,47,61,67,71,73,79,83,89,101,107,113,127,131,137,149,

%T 157,163,167,193,211,229,233,239,241,269,281,283,307,311,337,347,349,

%U 353,367,373,379,383,389,397,401,409,419,421,431,439,443,457,467,479

%N Both p and p+Q(5) are primes, where Q(5)=2310 is the 5th primorial number (A002110[ 5 ]).

%C p and p+2310 are not necessarily consecutive primes

%H Harvey P. Dale, <a href="/A049483/b049483.txt">Table of n, a(n) for n = 1..1000</a>

%e 23 and 23 + 2*3*5*7*11 = 2333 is prime

%t Select[Prime[Range[100]],PrimeQ[#+2310]&] (* _Harvey P. Dale_, Nov 15 2012 *)

%Y A045320, A001359, A023201, sequence for p+30, sequence for 210

%K nonn

%O 1,1

%A _Labos Elemer_

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Last modified August 2 04:03 EDT 2024. Contains 374822 sequences. (Running on oeis4.)