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A107546 Coordination sequence for B_13 lattice 0

%I #9 Jun 13 2015 00:51:49

%S 1,338,21554,548418,7758530,72431762,495680562,2668186562,11873899778,

%T 45303445330,152290870706,460565724866,1273675451074,3262741154194,

%U 7822976222386,17705155093314,38088388507650,78337815542610,154794656025906,295082861864258,544593699459266

%N Coordination sequence for B_13 lattice

%H <a href="/index/Rec#order_13">Index entries for linear recurrences with constant coefficients</a>, signature (13,-78,286,-715,1287,-1716,1716,-1287,715,-286,78,-13,1).

%F G.f.: -(x^13 + 2613*x^12 + 79014*x^11 + 882310*x^10 + 4673955*x^9 + 13017303*x^8 + 20034276*x^7 + 17363268*x^6 + 8423415*x^5 + 2214355*x^4 + 294294*x^3 + 17238*x^2 + 325*x + 1) / (x - 1)^13. [_Colin Barker_, Nov 21 2012]

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_, May 29 2005

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Last modified July 21 20:15 EDT 2024. Contains 374475 sequences. (Running on oeis4.)