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A115953 Periodic {1,-1,0,0,1,-2,1,0,0,-1,1,-1}. 1

%I #14 Dec 14 2023 05:32:57

%S 1,-1,0,0,1,-2,1,0,0,-1,1,-1,1,-1,0,0,1,-2,1,0,0,-1,1,-1,1,-1,0,0,1,

%T -2,1,0,0,-1,1,-1,1,-1,0,0,1,-2,1,0,0,-1,1,-1,1,-1,0,0,1,-2,1,0,0,-1,

%U 1,-1,1,-1,0,0,1,-2,1,0,0,-1,1,-1

%N Periodic {1,-1,0,0,1,-2,1,0,0,-1,1,-1}.

%C Diagonal sums of number triangle A115952.

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (-1,-1,0,1,1,1)

%F G.f.: (1-x^3-x^5)/((1-x^3)(1+x+x^2+x^3))

%t LinearRecurrence[{-1,-1,0,1,1,1},{1,-1,0,0,1,-2},80] (* or *) PadRight[{},80,{1,-1,0,0,1,-2,1,0,0,-1,1,-1}] (* _Harvey P. Dale_, Jan 28 2023 *)

%K easy,sign

%O 0,6

%A _Paul Barry_, Feb 02 2006

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Last modified March 28 16:12 EDT 2024. Contains 371254 sequences. (Running on oeis4.)