This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A105656 #5 Jan 02 2013 20:40:10
%S A105656 256409,4112429,11120339,12231449,13243229,31435739,46892264,49798979,
%T A105656 69909839,98237474,125994749,145989164,171741989,201038564,205739414,
%U A105656 229298684,232560509,253539929,259765694,261519719,292721519,296504669
%N A105656 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 A105656 apQ[n_]:=And@@PrimeQ[Table[n*i+i+1,{i,2,14,2}]]; Select[Range[ 300000000],apQ] (* _Harvey P. Dale_, Jan 02 2013 *)
%Y A105656 Cf. A005382, A005383, A105610, A105652 - A105657.
%K A105656 nonn
%O A105656 1,1
%A A105656 _Zak Seidov_, Apr 16 2005