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A281910
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Minimum possible absolute value over all coefficients of p(x)/(1-x)^n, where p is a power series with +-1 coefficients.
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0
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OFFSET
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0,4
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COMMENTS
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It is known that a(7) >= 2124, and that is conjectured to be the true value.
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LINKS
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EXAMPLE
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For n = 3 consider p(x) = (x+1)(x-1)^2/(x^4+1). Considered as a power series, this has coefficients +- 1 only. Then p(x)/(1-x)^3 has coefficients bounded by 2 in absolute value.
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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