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A049183
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Revert transform of 2*x*(1 - x - x^3 + x^6)-x/(1+x).
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0
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1, 1, 3, 11, 45, 195, 885, 4151, 19963, 97899, 487717, 2461393, 12557439, 64657461, 335562499, 1753538133, 9218852525, 48725353661, 258759350495, 1380021781719, 7388261669161, 39692491630271, 213918652593929
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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^3+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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