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Search: id:A145617
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| A145617 |
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Numerator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=5. |
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+0
2
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| 55, 8365, 209195, 73218955, 5491423277, 1510141416085, 490795960391965, 24539798019883535, 10429414158454786655, 4953971725266096561953, 11259026648332043641555, 6473940322790925219990095
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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For denominators see A145618. For general properties of A_l(x) see A145609.
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MATHEMATICA
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m = 5; aa = {}; Do[k = 0; Do[k = k + m^(2 r + 1 - d)/d, {d, 1, 2 r}]; AppendTo[aa, Numerator[k]], {r, 1, 25}]; aa (*Artur Jasinski*)
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CROSSREFS
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Cf. A145609 - A145640.
Sequence in context: A028471 A004708 A090813 this_sequence A105842 A113632 A163036
Adjacent sequences: A145614 A145615 A145616 this_sequence A145618 A145619 A145620
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KEYWORD
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frac,nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Oct 14 2008
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EXTENSIONS
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Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 21 2009
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