%I A109467
%S A109467 1,26,256,2472,25056,250016,2499456,25002112,249995776,2500000256,25000032256,
%T A109467 249999869952,2500000260096,25000000004096,249999997894656,2500000008404992,
%U A109467 24999999983190016,250000000000065536,2500000000134086656,24999999999463391232
%N A109467 4 X 4 analogue of A094943.
%F A109467 a(n+4)=4*a(n+3)+44*a(n+2)+144*a(n+1)+160*a(n), a(0) = 1, a(1) = 26, a(2) 
               = 256, a(3) = 2472.
%F A109467 G.f.: (1+22*x+108*x^2+160*x^3)/(1-4*x-44*x^2-144*x^3-160*x^4).
%Y A109467 Sequence in context: A108645 A086023 A125389 this_sequence A126547 A136922 
               A136921
%Y A109467 Adjacent sequences: A109464 A109465 A109466 this_sequence A109468 A109469 
               A109470
%K A109467 nonn
%O A109467 0,2
%A A109467 N. J. A. Sloane (njas(AT)research.att.com), based on email from Alec 
               Mihailovs, Aug 28 2005