%I #16 Sep 08 2022 08:45:40
%S 2009,2747,5699,10865,14555,19475,21935,23165,26117,28577,34727,37187,
%T 41615,45059,47519,51947,54407,55637,56129,56375,61049,67937,69659,
%U 73595,78515,80237,86387,94259,99179,100409,101147,105329,114677,118367
%N Numbers 41*k such that 41*k+2 and 41*k-6 are both prime.
%H G. C. Greubel, <a href="/A153822/b153822.txt">Table of n, a(n) for n = 1..1000</a>
%e 2009 = 41*49 and 2009 + 2 = 2011 and 2009 - 6 = 2003 are both prime.
%t Select[41Range[3000],PrimeQ[#+2]&&PrimeQ[#-6]&] (* _Harvey P. Dale_, Mar 26 2011 *)
%o (Magma) [n: n in [0..200000 by 41] | IsPrime(n+2) and IsPrime(n-6)]; // _Vincenzo Librandi_, Aug 31 2016
%K nonn
%O 1,1
%A _John L. Drost_, Jan 02 2009
%E Corrected by _Harvey P. Dale_, Mar 26 2011