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%I #7 Oct 01 2023 02:36:45
%S 1,23,341,4147,45045,455091,4373797,40541699,365712149,3230463379,
%T 28067769093,240654781731,2041291828213,17162300683187,
%U 143239714105829,1188212150789443,9805989936743637,80575358596047315
%N Expansion of 1/((1-2x)(1-6x)(1-7x)(1-8x)).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (23, -188, 628, -672).
%F a(n) = -2^n/15 +27*6^n -343*7^n/5 +128*8^n/3. _R. J. Mathar_, Jun 23 2013
%K nonn
%O 0,2
%A _N. J. A. Sloane_.