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%I #17 Feb 21 2023 16:40:44
%S 1,23,353,4603,55449,640851,7242961,80866811,896831177,9909444259,
%T 109271790849,1203605509899,13249389022585,145801783940147,
%U 1604171188346417,17647994609290267,194140618516940073
%N Expansion of 1/((1-2x)(1-4x)(1-6x)(1-11x)).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (23, -176, 532, -528).
%F a(0)=1, a(1)=23, a(2)=353, a(3)=4603, a(n)=23*a(n-1)-176*a(n-2)+ 532*a(n-3)- 528*a(n-4). - _Harvey P. Dale_, Jun 25 2011
%F a(n) = (8*11^(n+3)-63*6^(n+3)+90*4^(n+3)-35*2^(n+3))/2520. - _Yahia Kahloune_, May 24 2013
%t CoefficientList[Series[1/((1-2x)(1-4x)(1-6x)(1-11x)),{x,0,40}],x] (* or *) LinearRecurrence[ {23,-176,532,-528},{1,23,353,4603},40] (* _Harvey P. Dale_, Jun 25 2011 *)
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_