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%I #9 Jun 26 2017 08:47:59
%S 1,3,7,33,643,11073,151867,1816713,19996963,208630833,2099398027,
%T 20597485593,198424412083,1885822419393,17740469253787,
%U 165580566245673,1535948935336003,14178113530908753,130361707324735147
%N A sum of decreasing powers.
%C Binomial transform of A081687
%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (35,-485,3325,-11274,15120).
%F a(n)=9^n-8^n-7^n-6^n+3*5^n.
%F G.f. -(4182*x^4-2082*x^3+387*x^2-32*x+1)/((5*x-1)*(6*x-1)*(7*x-1)*(8*x-1)*(9*x-1)). [_Colin Barker_, Aug 12 2012]
%t LinearRecurrence[{35,-485,3325,-11274,15120},{1,3,7,33,643},30] (* _Harvey P. Dale_, Jun 26 2017 *)
%Y Cf. A081691.
%K easy,nonn
%O 0,2
%A _Paul Barry_, Mar 30 2003
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