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Search: id:A124023
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| A124023 |
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G.f.: 1/(1-2*x-6*x^2+4*x^3). |
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+0
1
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| 1, 2, 10, 28, 108, 344, 1224, 4080, 14128, 47840, 164128, 558784, 1910976, 6518144, 22267008, 75998976, 259527424, 885980672, 3025129984, 10328034304, 35262925824, 120393537536, 411052492800, 1403414507520, 4791569821696, 16359416717312, 55854594334720
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Index entries for sequences related to linear recurrences with constant coefficients
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MATHEMATICA
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f[x_] = -4 + 6 x + 2 x^2 - x^3; g[x_] = ExpandAll[x^3*f[1/x]]; Table[ SeriesCoefficient[Series[x/(g[x]), {x, 0, 30}], n], {n, 0, 30}]
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CROSSREFS
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Sequence in context: A006331 A104657 A000900 this_sequence A127921 A106184 A076438
Adjacent sequences: A124020 A124021 A124022 this_sequence A124024 A124025 A124026
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KEYWORD
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nonn
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AUTHOR
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Roger Bagula and Gary Adamson (rlbagulatftn(AT)yahoo.com), Oct 31 2006
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EXTENSIONS
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Edited by N. J. A. Sloane (njas(AT)research.att.com), Nov 04 2006
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