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%I #13 Sep 28 2023 10:16:27
%S 1,21,283,3129,31003,287217,2547091,21931833,185027755,1538650113,
%T 12663786499,103454051337,840560481307,6802315926609,54886579262707,
%U 441905197121241,3552134005816459,28518494951667105
%N Expansion of 1/((1-3x)(1-4x)(1-6x)(1-8x)).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (21, -158, 504, -576).
%F a(n)=(3*8^(n+3)-10*6^(n+3)+15*4^(n+3)-8*3^(n+3))/120. [_Yahia Kahloune_, May 27 2013].
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_.
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