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%I #8 Sep 28 2023 10:09:20
%S 1,26,437,6034,74469,855042,9338629,98346578,1007581157,10104420898,
%T 99624776901,968871159282,9317203571365,88769381856194,
%U 839190346712453,7881486986566546,73610099911105893,684230318175538530
%N Expansion of 1/((1-2x)(1-7x)(1-8x)(1-9x)).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (26, -239, 886, -1008).
%F a(n)=(15*9^(n+3)-35*8^(n+3)+3*7^(n+4)-2^(n+3))/210. [_Yahia Kahloune_, Jun 05 2013]
%K nonn
%O 0,2
%A _N. J. A. Sloane_.