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A061181
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Sixth column (m=5) of triangle A060920 (bisection of Fibonacci triangle, even part).
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1
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1, 27, 315, 2534, 16407, 91959, 464723, 2171850, 9546570, 39940460, 160437690, 622844730, 2348773525, 8638447293, 31086197469, 109744786482, 380920122009, 1302304276665, 4392297900647
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OFFSET
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0,2
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COMMENTS
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Numerator polynomial of g.f. is sum(A061176(6,m)*x^m,m=0..6).
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LINKS
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FORMULA
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G.f.: ((1+x^6)+9*(x+x^5)-30*(x^2+x^4)+41*x^3)/(1-3*x+x^2)^6.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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