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%I #9 Jun 17 2017 03:55:07
%S 0,-4,2,366,2732,11720,37326,98042,224696,465012,888890,1594406,
%T 2714532,4424576,6950342,10577010,15658736,22628972,32011506,44432222,
%U 60631580,81477816,107980862,141306986,182794152,233968100,296559146,372519702
%N a(n)=n^6-n^5-n^4-n^3-n^2-n.
%H <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (7,-21,35,-35,21,-7,1).
%F G.f.: -2*x^2*(x^5+36*x^4+176*x^3+134*x^2+15*x-2)/(x-1)^7. [_Colin Barker_, Nov 05 2012]
%t lst={};Do[AppendTo[lst,n^6-n^5-n^4-n^3-n^2-n],{n,0,5!}];lst
%K sign,easy
%O 1,2
%A _Vladimir Joseph Stephan Orlovsky_, Nov 20 2008