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A229731
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G.f.: x^4*(6 + x - 7*x^2 - x^3 + 3*x^4 + x^5)/(1-x-x^2)^3.
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0
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0, 0, 0, 0, 6, 19, 50, 119, 265, 564, 1160, 2324, 4559, 8791, 16710, 31379, 58314, 107393, 196216, 355999, 641879, 1150878, 2053132, 3646042, 6447949, 11359823, 19943772, 34901845, 60897678, 105964063, 183910382, 318433895, 550130677, 948435000, 1631925392, 2802818000, 4805491067, 8225672167, 14058362178
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OFFSET
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0,5
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LINKS
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MATHEMATICA
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Join[{0, 0, 0, 0}, LinearRecurrence[{3, 0, -5, 0, 3, 1}, {6, 19, 50, 119, 265, 564}, 35]] (* Jean-François Alcover, Feb 12 2019 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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