A025130 - OEIS

%I #11 Sep 28 2023 10:01:25

%S 1,33,718,12978,211099,3208611,46530856,652053876,8903593717,

%T 119147391909,1569038275714,20395728301494,262306431768655,

%U 3343671393938727,42305729458640092,531898781072416632

%N Expansion of 1/((1-x)(1-9x)(1-11x)(1-12x)).

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (33, -371, 1527, -1188).

%F a(n)=(80*12^(n+3)-132*11^(n+3)+55*9^(n+3)-3)/2640. [_Yahia Kahloune_, May 29 2013].

%t CoefficientList[Series[1/((1 - x) (1 - 9 x) (1 - 11 x) (1 - 12 x)), {x, 0, 20}], x] (* _Wesley Ivan Hurt_, Nov 17 2022 *)

%K nonn

%O 0,2

%A _N. J. A. Sloane_.