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%I #22 May 22 2021 20:38:46
%S 1,23,356,4690,57015,663621,7538098,84446336,938561525,10384529155,
%T 114604142016,1262952525198,13906624731091,153059279644385,
%U 1684178151097070,18529154259093436,203840055167045073
%N Expansion of 1/((1-x)(1-5x)(1-6x)(1-11x)).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (23,-173,481,-330)
%F a(n) = 5^(n+3)/24 + 11^(n+3)/300 - 1/200 - 6^(n+3)/25. - _R. J. Mathar_, Mar 11 2011
%F a(n) = 17*a(n-1) - 66*a(n-2) + (5^(n+1) - 1)/4, n >= 2. - _Vincenzo Librandi_, Mar 12 2011
%t CoefficientList[Series[1/((1-x)(1-5x)(1-6x)(1-11x)),{x,0,30}],x] (* _Harvey P. Dale_, Apr 18 2021 *)
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_
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