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A174559
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Triangle T(n,k)of the coefficients [x^(n-k)] of the polynomials q(0,x)=-1, q(1,x)=3*x, q(n,x)=x*q(n-1,x)-q(n-2,x) in row n,column k. A companion to A193002(n).
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1
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-1, 3, 0, 3, 0, 1, 3, 0, -2, 0, 3, 0, -5, 0, -1, 3, 0, -8, 0, 1, 0, 3, 0, -11, 0, 6, 0, 1, 3, 0, -14, 0, 14, 0, 0, 0, 3, 0, -17, 0, 25, 0, -6, 0, -1, 3, 0, -20, 0, 39, 0, -20, 0, -1, 0, 3, 0, -23, 0, 56, 0, -45, 0, 5, 0, 1
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OFFSET
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0,2
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COMMENTS
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a(n)=
-1, :-1,
3, 0, :3*x,
3, 0, 1, :3*x^2+1,
3, 0, -2, 0, :3*x^3-2*x,
3, 0, -5, 0, -1,
3, 0, -8, 0, 1, 0
3, 0, -11, 0, 6, 0, 1.
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LINKS
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FORMULA
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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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