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Row 5 of array in A047666.
0

%I #20 May 31 2023 15:37:08

%S 5,26,95,276,681,1486,2947,5416,9357,15362,24167,36668,53937,77238,

%T 108043,148048,199189,263658,343919,442724,563129,708510,882579,

%U 1089400,1333405,1619410,1952631,2338700,2783681,3294086,3876891,4539552,5290021,6136762,7088767

%N Row 5 of array in A047666.

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (6,-15,20,-15,6,-1)

%F a(n) = (n/15) * (2n^4 + 30n^2 + 43).

%F G.f.: x*(5*x^4-4*x^3+14*x^2-4*x+5)/(x-1)^6.

%t Table[(n/15)(2n^4+30n^2+43),{n,40}] (* _Harvey P. Dale_, May 25 2023 *)

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_