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%I #10 Jan 03 2024 08:46:04
%S 1,-2,10,-68,484,-3464,24808,-177680,1272592,-9114656,65281696,
%T -467565632,3348834880,-23985285248,171789272704,-1230402470144,
%U 8812484124928,-63117458178560,452064760678912,-3237813336359936
%N a(n)=-8*a(n-1)-6*a(n-2), n>1 ; a(0)=1, a(1)=-2 .
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (-8,-6).
%F G.f.: (1+6*x)/(1+8*x+6*x^2). a(n)=Sum_{k, 0<=k<=n}A147703(n,k)*(-3)^(n-k).
%t LinearRecurrence[{-8,-6},{1,-2},30] (* _Harvey P. Dale_, Apr 03 2015 *)
%Y Cf. A152594
%K sign
%O 0,2
%A _Philippe Deléham_, Dec 10 2008
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