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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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3
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1, 1, -7, 643, -13583, 29957, -24277937, 6382646731, 2027394133729, -10948179003324221, 177623182156029053, -126604967848904128751, -2640658729595838040517543, 423778395125199663867841, 134802774190189008299452419971
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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REFERENCES
| W. C. Yang, Composition equations, preprint, 1999.
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CROSSREFS
| Cf. A052135. See also A048602, A048603, etc.
Apart from signs, same as A052132?
Sequence in context: A175601 A109542 A052132 * A101811 A092326 A074282
Adjacent sequences: A052131 A052132 A052133 * A052135 A052136 A052137
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KEYWORD
| sign,frac,easy,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jan 22 2000
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EXTENSIONS
| More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 16 2002
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