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%I #15 Sep 08 2022 08:45:59
%S 0,2,258,6564,65540,390630,1679622,5764808,16777224,43046730,
%T 100000010,214358892,429981708,815730734,1475789070,2562890640,
%U 4294967312,6975757458,11019960594,16983563060,25600000020,37822859382,54875873558,78310985304
%N n^8 + n.
%H Vincenzo Librandi, <a href="/A196288/b196288.txt">Table of n, a(n) for n = 0..10000</a>
%H <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (9,-36,84,-126,126,-84,36,-9,1).
%F G.f. -2*x*(1+120*x+2157*x^2+7792*x^3+7827*x^4+2136*x^5+127*x^6) / (x-1)^9 . - R. J. Mathar, Oct 13 2011
%F a(n) = 2*A168067(n). - R. J. Mathar, Oct 13 2011
%o (Magma) [n^8+n: n in [0..30]]
%o (PARI) a(n)=n^8+n \\ _Charles R Greathouse IV_, Nov 21 2011
%K nonn,easy,less
%O 0,2
%A _Vincenzo Librandi_, Oct 01 2011
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