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A140360
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Inverse binomial transform of A140359.
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4
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1, 0, 5, -5, 15, -25, 55, -105, 215, -425, 855, -1705, 3415, -6825, 13655, -27305, 54615, -109225, 218455, -436905, 873815, -1747625, 3495255, -6990505, 13981015, -27962025, 55924055, -111848105, 223696215, -447392425, 894784855, -1789569705, 3579139415
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OFFSET
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0,3
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COMMENTS
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LINKS
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FORMULA
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G.f.: (-3*x^2-x-1) / (2*x^2-x-1).
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MAPLE
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a:= n-> `if`(n=0, 1, (<<0|1>, <2|-1>>^(n-1). <<0, 5>>)[1, 1]):
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MATHEMATICA
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{1}~Join~Table[(-5 (-1 + (-2)^(n - 1)))/3, {n, 32}] (* or *)
CoefficientList[Series[(-3 x^2 - x - 1)/(2 x^2 - x - 1), {x, 0, 32}], x] (* Michael De Vlieger, Apr 15 2016 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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