%I A153267
%S A153267 5,39,110,559,1925,8514,31925,133279,518510,2112279,8349005,
%T A153267 33658114,133946285,537581559,2145623150,8594805439,34346986325,
%U A153267 137472338754,549668410085,2199252081679,8795493947630,35185940486439
%V A153267 -5,39,-110,559,-1925,8514,-31925,133279,-518510,2112279,-8349005,
%W A153267 33658114,-133946285,537581559,-2145623150,8594805439,-34346986325,
%X A153267 137472338754,-549668410085,2199252081679,-8795493947630,35185940486439
%N A153267 a(n) = -4*a(n-3) + 11*a(n-2) - a(n-1), a(0) = -5, a(1) = 39, a(2) = -110
%C A153267 A153266(n) + a(n) = 4*A001519(n) (apart from initial terms). The generating 
               floretion Z = X*Y with X = 1.5'i + 0.5i' + .25(ii + jj + kk + ee) 
               and Y = 0.5'i + 1.5i' + .25(ii + jj + kk + ee)
%F A153267 a(n) = 2*(-4)^n + 3/2+1/2*sqrt(5))^n + (3/2-1/2*sqrt(5))^n
%e A153267 a(4) = -1*559 + 11*(-110) - 4*(39) = -1925
%Y A153267 A153266, A153265, A001519
%Y A153267 Sequence in context: A069471 A110467 A095230 this_sequence A064445 A123614 
               A075135
%Y A153267 Adjacent sequences: A153264 A153265 A153266 this_sequence A153268 A153269 
               A153270
%K A153267 easy,sign
%O A153267 0,1
%A A153267 Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Jan 02 2009