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A147310
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A golden mean based polynomials set that behaves like an even powered Pascal triangle: p(x,n) = (x - phi)^floor(n/2)*(x + phi)^floor(n/2).
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0
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1, 1, 1, 0, -1, 1, 0, -1, 1, 0, -2, 0, 1, 1, 0, -2, 0, 1, 1, 0, -3, 0, 3, 0, -1, 1, 0, -3, 0, 3, 0, -1, 1, 0, -4, 0, 6, 0, -4, 0, 1, 1, 0, -4, 0, 6, 0, -4, 0, 1, 1, 0, -5, 0, 10, 0, -10, 0, 5, 0, -1
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OFFSET
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0,11
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LINKS
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FORMULA
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p(x,n)=(x - GoldenRatio)^Floor[n/2]*(x + GoldenRatio)^Floor[n/2]; t(n,m)=GoldenRatio^((-m + 1))*Reverse(Coefficients(p(x,n))).
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EXAMPLE
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{1}, {1}, {1, 0, -1}, {1, 0, -1}, {1, 0, -2, 0, 1}, {1, 0, -2, 0, 1}, {1, 0, -3, 0, 3, 0, -1}, {1, 0, -3, 0, 3, 0, -1}, {1, 0, -4, 0, 6, 0, -4, 0, 1}, {1, 0, -4, 0, 6, 0, -4, 0, 1}, {1, 0, -5, 0, 10, 0, -10, 0, 5, 0, -1}
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MATHEMATICA
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Clear[p, x, n]; p[x_, n_] = (x - GoldenRatio)^Floor[n/2]*(x + GoldenRatio)^Floor[n/2] a = Table[Reverse[CoefficientList[FullSimplify[ExpandAll[p[x, n]]], x]], {n, 0, 10}]; Flatten[%]; b = Table[a[[n]][[m]]*GoldenRatio^((-m + 1)), {n, 1, Length[a]}, {m, 1, Length[a[[n]]]}]; Flatten[b]
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CROSSREFS
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KEYWORD
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tabf,sign,more,uned
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AUTHOR
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STATUS
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approved
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