Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #5 Jan 02 2013 20:40:10
%S 256409,4112429,11120339,12231449,13243229,31435739,46892264,49798979,
%T 69909839,98237474,125994749,145989164,171741989,201038564,205739414,
%U 229298684,232560509,253539929,259765694,261519719,292721519,296504669
%N Numbers n such that p1=2n+3, p2=4n+5, p3=6n+7, p4=8n+9, p5=10n+11, p6=12n+13 and p7=14n+15 are all prime.
%t apQ[n_]:=And@@PrimeQ[Table[n*i+i+1,{i,2,14,2}]]; Select[Range[ 300000000],apQ] (* _Harvey P. Dale_, Jan 02 2013 *)
%Y Cf. A005382, A005383, A105610, A105652 - A105657.
%K nonn
%O 1,1
%A _Zak Seidov_, Apr 16 2005