%I A093069
%S A093069 7,23,79,287,1087,4223,16639,66047,263167,1050623,4198399,16785407,
%T A093069 67125247,268468223,1073807359,4295098367,17180131327,68720001023,
%U A093069 274878955519,1099513724927,4398050705407,17592194433023
%N A093069 Kynea numbers: (2^n+1)^2-2.
%H A093069 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               KyneaNumber.html">Kynea Number</a>
%F A093069 a(n)=4^n+2^(n+1)-1
%t A093069 lst={};Do[k=4^n+2^(n+1)-1;(*Print[p];*)AppendTo[lst, k], {n, 10^2}];lst 
               [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 21 2008]
%Y A093069 Sequence in context: A018886 A145842 A086908 this_sequence A091514 A003540 
               A063793
%Y A093069 Adjacent sequences: A093066 A093067 A093068 this_sequence A093070 A093071 
               A093072
%K A093069 easy,nonn
%O A093069 0,1
%A A093069 Eric Weisstein (eric(AT)weisstein.com), Mar 17, 2004