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4 X 4 analog of A094943.
1

%I #6 Jul 10 2015 19:54:34

%S 1,26,256,2472,25056,250016,2499456,25002112,249995776,2500000256,

%T 25000032256,249999869952,2500000260096,25000000004096,

%U 249999997894656,2500000008404992,24999999983190016,250000000000065536,2500000000134086656,24999999999463391232

%N 4 X 4 analog of A094943.

%F 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 G.f.: (1+22*x+108*x^2+160*x^3)/(1-4*x-44*x^2-144*x^3-160*x^4).

%K nonn

%O 0,2

%A _N. J. A. Sloane_, based on email from Alec Mihailovs, Aug 28 2005