A028193 - OEIS

%I #13 Aug 31 2018 19:26:47

%S 1,34,733,12810,198261,2836554,38431933,500511850,6327324421,

%T 78172168074,948456878733,11341481077290,134023690999381,

%U 1568398573483594,18205481984727133,209885052725681130

%N Expansion of 1/((1-5x)(1-8x)(1-10x)(1-11x)).

%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (34,-423,2270,-4400).

%F a(n) = 21*a(n-1) - 110*a(n-2) + (8^(n+1) - 5^(n+1))/3, n >= 2. - _Vincenzo Librandi_, Mar 12 2011

%F a(n) = (8^(n+3) + 11^(n+3) - 18*10^(n+2) - 5^(n+2))/18. - _Bruno Berselli_, Mar 12 2011

%K nonn

%O 0,2

%A _N. J. A. Sloane_