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Search: id:A058970
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| A058970 |
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Denominators of expansion of a function eta(x) related to Cremer points. |
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+0
2
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| 1, 4, 16, 16, 32, 256, 256, 256, 512, 2048, 512, 4096, 65536, 65536, 65536, 16384, 131072, 524288, 131072, 1048576, 8388608, 2097152, 8388608, 16777216, 67108864, 16777216, 134217728, 4294967296, 4294967296, 4294967296
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OFFSET
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1,2
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REFERENCES
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J. Milnor, Dynamics in One Complex Variable, Vieweg, 1999, p. 127.
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FORMULA
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eta(x) is the limit of the sequence defined by eta_0 = -x/2; eta_{i+1} = eta_i + x^{i-1} eta_i^2.
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EXAMPLE
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eta(x) = -1/4*x+1/16*x^2+1/16*x^3+1/32*x^4+9/256*x^5+...
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CROSSREFS
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Cf. A058969.
Sequence in context: A147560 A029659 A072652 this_sequence A075382 A009570 A140299
Adjacent sequences: A058967 A058968 A058969 this_sequence A058971 A058972 A058973
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KEYWORD
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nonn,easy,frac
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Jan 14 2001
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EXTENSIONS
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More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Feb 19 2001
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