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Search: id:A145628
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| A145628 |
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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=11. |
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+0
2
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| 253, 184195, 111439537, 188778591353, 68526628697791, 8291722072462741, 13042878819984222253, 3156376674436182358799, 6492666819315227120658143, 2985328203521141430107897005, 361224712626058113043082041693
(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 A145630. For general properties of A_l(x) see A145609.
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MATHEMATICA
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m = 11; 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: A123013 A006060 A077695 this_sequence A144855 A110827 A062664
Adjacent sequences: A145625 A145626 A145627 this_sequence A145629 A145630 A145631
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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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