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%I #8 Feb 18 2016 14:32:24
%S 1,-1,-4,-7,-8,-3,16,65,176,413,904,1905,3928,7997,16160,32513,65248,
%T 130749,261784,523889,1048136,2096669,4193776,8388033,16776592,
%U 33553757,67108136,134216945,268434616,536870013,1073740864,2147482625
%N 2^n-n*(n+2).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (5,-9,7,-2).
%F G.f.: -(3*x-1)*(x^2-3*x+1) / ( (2*x-1)*(x-1)^3 ). - _R. J. Mathar_, Feb 18 2016
%t Table[2^n-n*(n+2),{n,0,5!}]
%Y Cf. A014846, A142974, A176776, A176777
%K sign,easy
%O 0,3
%A _Vladimir Joseph Stephan Orlovsky_, Apr 25 2010