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A145620
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Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=6.
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1
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1, 2, 5, 140, 35, 770, 5005, 40040, 510510, 646646, 323323, 29745716, 14300825, 12257850, 59246275, 29386152400, 7346538100, 77138650050, 475688341975, 24735793782700, 253541886272675, 21804602219450050, 10902301109725025
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OFFSET
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1,2
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COMMENTS
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For numerators see A145619. For general properties of A_l(x) see A145609.
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LINKS
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MATHEMATICA
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m = 6; aa = {}; Do[k = 0; Do[k = k + m^(2 r + 1 - d)/d, {d, 1, 2 r}]; AppendTo[aa, Denominator[k]], {r, 1, 30}]; aa (*Artur Jasinski*)
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CROSSREFS
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KEYWORD
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frac,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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