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A177358 G.f. = (1+10*x-12*x^2-50*x^3+10*x^4+10*x^5-12*x^6)/(1-8*x-66*x^2+280*x^3+178*x^4-532*x^5-84*x^6+108*x^7). 0

%I #7 Aug 05 2023 15:55:40

%S 1,18,198,2442,27396,322238,3676684,42682364,490330760,5667610636,

%T 65270671720,753317707256,8683177195608,100163807669976,

%U 1154904765618976,13319816385434800,153596409580655296

%N G.f. = (1+10*x-12*x^2-50*x^3+10*x^4+10*x^5-12*x^6)/(1-8*x-66*x^2+280*x^3+178*x^4-532*x^5-84*x^6+108*x^7).

%D S. Kitaev, A. Burstein and T. Mansour. Counting independent sets in certain classes of (almost) regular graphs, Pure Mathematics and Applications (PU.M.A.) 19 (2008), no. 2-3, 17-26.

%H S. Kitaev, A. Burstein and T. Mansour. <a href="http://www.ru.is/kennarar/sergey/index_files/Papers/burkitman_PUMA.pdf"> Counting independent sets in certain classes of (almost) regular graphs </a>

%H <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (8, 66, -280, -178, 532, 84, -108).

%F (1+10*x-12*x^2-50*x^3+10*x^4+10*x^5-12*x^6)/(1-8*x-66*x^2+280*x^3+178*x^4-532*x^5-84*x^6+108*x^7)

%t CoefficientList[Series[(1+10x-12x^2-50x^3+10x^4+10x^5-12x^6)/(1-8x-66x^2+280x^3+178x^4- 532x^5-84x^6+108x^7),{x,0,20}],x] (* or *) LinearRecurrence[{8,66,-280,-178,532,84,-108},{1,18,198,2442,27396,322238,3676684},20] (* _Harvey P. Dale_, Aug 05 2023 *)

%K nonn

%O 1,2

%A Signy Olafsdottir (signy06(AT)ru.is), May 07 2010

%E Name edited by _N. J. A. Sloane_, Aug 05 2023

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Last modified August 7 22:54 EDT 2024. Contains 375018 sequences. (Running on oeis4.)