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Search: id:A052135
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| A052135 |
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Denominators of coefficients in function a(x) such that a(a(a(x))) = sin x. |
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+0
4
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| 1, 18, 1080, 408240, 29393280, 215550720, 648499737600, 953294614272000, 2333665215737856000, 7183021534041120768000, 232066849561328517120000, 723095875143672151080960000, 74189636789740762700906496000000
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Also denominators of coefficients in function a(x) such that a(a(a(x))) = sinh x.
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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. A052132, A052134. See also A048602, A048603, etc.
Sequence in context: A095786 A146197 A159379 this_sequence A033518 A064564 A152933
Adjacent sequences: A052132 A052133 A052134 this_sequence A052136 A052137 A052138
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KEYWORD
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nonn,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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