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A049182
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Revert transform of 2*x*(1 - x + x^6)-x/(1+x).
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0
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1, 1, 3, 9, 33, 125, 501, 2063, 8719, 37531, 164093, 726491, 3250743, 14676923, 66780835, 305908709, 1409609741, 6529455069, 30386379215, 142002499261, 666116180157, 3135363209281, 14803932109737, 70097438174979
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OFFSET
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1,3
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COMMENTS
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Sign diagram of generating sequence: +++----+--------...
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LINKS
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MAPLE
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Order := 80:
g := 2*x*(1-x+x^6)-x/(1+x) ;
solve(series(g, x)=y, x) :
convert(%, polynom) :
seq(coeff(%, y, i), i=0..Order-1) ; # R. J. Mathar, Jul 24 2023
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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