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Search: id:A052134
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| A052134 |
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Numerators of coefficients in function a(x) such that a(a(a(x))) = sinh x. |
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+0
4
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| 1, 1, -7, 643, -13583, 29957, -24277937, 6382646731, 2027394133729, -10948179003324221, 177623182156029053, -126604967848904128751, -2640658729595838040517543, 423778395125199663867841, 134802774190189008299452419971
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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W. C. Yang, Composition equations, preprint, 1999.
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CROSSREFS
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Cf. A052135. See also A048602, A048603, etc.
Apart from signs, same as A052132?
Adjacent sequences: A052131 A052132 A052133 this_sequence A052135 A052136 A052137
Sequence in context: A047942 A109542 A052132 this_sequence A101811 A092326 A074282
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KEYWORD
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sign,frac,easy,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Jan 22 2000
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EXTENSIONS
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More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 16 2002
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