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A130884 3n^3 + 2n^2 + n + 1.

%I A130884 #20 Sep 08 2022 08:45:30
%S A130884 1,7,35,103,229,431,727,1135,1673,2359,3211,4247,5485,6943,8639,10591,
%T A130884 12817,15335,18163,21319,24821,28687,32935,37583,42649,48151,54107,
%U A130884 60535,67453,74879,82831,91327,100385,110023,120259,131111
%N A130884 3n^3 + 2n^2 + n + 1.
%H A130884 Vincenzo Librandi, <a href="/A130884/b130884.txt">Table of n, a(n) for n = 0..1000</a>
%H A130884 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4,-6,4,-1).
%F A130884 G.f.: (1+13*x^2+x^3+3*x)/(-1+x)^4. - _R. J. Mathar_, Nov 14 2007
%F A130884 a(0)=1, a(1)=7, a(2)=35, a(3)=103, a(n)=4*a(n-1)-6*a(n-2)+4*a(n-3)- a(n-4) [_Harvey P. Dale_, Jan 17 2012]
%t A130884 Table[3n^3+2n^2+n+1,{n,0,40}] (* or *) LinearRecurrence[{4,-6,4,-1},{1,7,35,103},40] (* _Harvey P. Dale_, Jan 17 2012 *)
%o A130884 (Magma) [3*n^3+2*n^2+n+1: n in [0..35]]; // _Vincenzo Librandi_, Feb 12 2013
%Y A130884 Cf. A084849, A056109, A056105.
%K A130884 nonn,easy
%O A130884 0,2
%A A130884 _Mohammad K. Azarian_, Jul 26 2007