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%I #22 Jan 05 2025 19:51:39
%S 1,1,-7,3,32,-55,-95,399,-11,-2024,2573,7137,-22015,-9073,123712,
%T -107499,-498119,1168399,1090985,-7323600,3535193,33005393,-59095943,
%U -95072229,420022144,-36762335,-2099324671,2798230719,7241608157,-23295324088,-8015161307,128935159185,-119396284895,-509999348249
%N Trisection 0 of A199802.
%C Also trisection 2 of A199744, negated.
%H Hirschhorn, Michael D., <a href="https://web.archive.org/web/2024*/https://www.fq.math.ca/43-4.html">Non-trivial intertwined second-order recurrence relations</a>, Fibonacci Quart. 43 (2005), no. 4, 316-325. See p. 324.
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (-1,-5,1,-1).
%F G.f.: ( 1+2*x-x^2 ) / ( 1+x+5*x^2-x^3+x^4 ). - _R. J. Mathar_, Jun 18 2014
%Y Cf. A199744, A199802.
%K sign,easy
%O 0,3
%A _N. J. A. Sloane_, Nov 12 2011