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Search: id:A088989
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| A088989 |
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Denominators of coefficients of odd powers of 1/q in the solution series for Tan[x]/x=1. |
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+0
2
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| 1, 3, 15, 105, 315, 3465, 675675, 2027025, 241215975, 587577375, 138881925, 1581170716125, 140480936701875, 219150261254925, 32785574798851875, 106717045970262853125, 1424703093055003125, 33615869480632798734375
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Eric Weisstein's World of Mathematics, Tanc Function
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MATHEMATICA
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Last/@Partition[CoefficientList[InverseSeries[Series[x+Cot[x], {x, 0, 50}], q], 1/q], 2]
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CROSSREFS
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Numerators are in A079330.
Adjacent sequences: A088986 A088987 A088988 this_sequence A088990 A088991 A088992
Sequence in context: A003276 A136092 A025547 this_sequence A001801 A067546 A015682
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KEYWORD
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frac,nonn
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AUTHOR
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David W. Cantrell (DWCantrell(AT)sigmaxi.net), Nov 01 2003
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