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A176669
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A triangle of polynomial coefficients:p(x,n)=Sum[(2*k - 1)^n*Binomial[x, k], {k, 0, Infinity}]/2^x
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0
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1, -1, 1, 1, -1, 1, -1, 0, 0, 1, 1, 0, -3, 2, 1, -1, 5, -5, -5, 5, 1, 1, -5, 30, -35, 0, 9, 1, -1, -56, 91, 35, -105, 21, 14, 1, 1, 56, -518, 812, -245, -196, 70, 20, 1, -1, 1329, -2610, -42, 2793, -1449, -210, 162, 27, 1, 1, -1329, 15075, -28110, 14385, 4053, -4515, 90
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OFFSET
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0,13
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COMMENTS
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Row sums are:
{1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,...}.
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LINKS
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FORMULA
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p(x,n)=Sum[(2*k - 1)^n*Binomial[x, k], {k, 0, Infinity}]/2^x;
t(n,m)=coefficients(p(x,n))
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EXAMPLE
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{1},
{-1, 1},
{1, -1, 1},
{-1, 0, 0, 1},
{1, 0, -3, 2, 1},
{-1, 5, -5, -5, 5, 1},
{1, -5, 30, -35, 0, 9, 1},
{-1, -56, 91, 35, -105, 21, 14, 1},
{1, 56, -518, 812, -245, -196, 70, 20, 1},
{-1, 1329, -2610, -42, 2793, -1449, -210, 162, 27, 1},
{1, -1329, 15075, -28110, 14385, 4053, -4515, 90, 315, 35, 1}
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MATHEMATICA
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Clear[p, x, n]
p[x_, n_] = Sum[(2*k - 1)^n*Binomial[x, k], {k, 0, Infinity}]/2^x;
Table[CoefficientList[FullSimplify[ExpandAll[p[x, n]]], x], {n, 0, 10}];
Flatten[%]
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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