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a(0)=1, a(1)=8, a(n)=16*a(n-1)-8*a(n-2) for n>1 .
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%I #18 Mar 04 2024 01:11:22

%S 1,8,120,1856,28736,444928,6888960,106663936,1651511296,25570869248,

%T 395921817600,6130182127616,94915539501056,1469607174995968,

%U 22754390483927040,352313390342864896,5454979121614422016

%N a(0)=1, a(1)=8, a(n)=16*a(n-1)-8*a(n-2) for n>1 .

%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (16, -8).

%F G.f.: (1-8*x)/(1-16*x+8x^2) .

%t LinearRecurrence[{16,-8},{1,8},30] (* _Harvey P. Dale_, Jul 04 2011 *)

%K nonn

%O 0,2

%A _Philippe Deléham_, Sep 09 2009