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Search: id:A086181
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| A086181 |
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Decimal expansion of the bifurcation point B_3, the onset of an 8-cycle in the logistic equation. |
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3
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| 3, 5, 4, 4, 0, 9, 0, 3, 5, 9, 5, 5, 1, 9, 2, 2, 8, 5, 3, 6, 1, 5, 9, 6, 5, 9, 8, 6, 6, 0, 4, 8, 0, 4, 5, 4, 0, 5, 8, 3, 0, 9, 9, 8, 4, 5, 4, 4, 4, 5, 7, 3, 6, 7, 5, 4, 5, 7, 8, 1, 2, 5, 3, 0, 3, 0, 5, 8, 4, 2, 9, 4, 2, 8, 5, 8, 8, 6, 3, 0, 1, 2, 2, 5, 6, 2, 5, 8, 5, 6, 6, 4, 2, 4, 8, 9, 1, 7, 9, 9, 9, 6
(list; cons; graph; listen)
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OFFSET
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1,1
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LINKS
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D. H. Bailey, J. M. Borwein, V. Kapoor and E. Weisstein, Ten Problems in Experimental Mathematics
Eric Weisstein's World of Mathematics, Logistic Map
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FORMULA
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A root of the 12-th degree polynomial 4913 + 2108*X^2 - 604*X^3 - 977*X^4 + 8*X^5 + 44*X^6 + 392*X^7 - 193*X^8 - 40*X^9 + 48*X^10 - 12*X^11 + X^12.
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EXAMPLE
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3.54409035955192285361596598660480454058309984544457367545781253030584294285\
886301225625856642489179996260899277589974545704537650729751905223146817\
637447928464560949852755537179889159077448053517459045482470711286876373\
464332114219211465412771169565934544669549411924727100000409480552542925\
972401110012866875143607064166969339310061199923409664597323422476443639\
154794410718331803802488512620422107565464513898750258677417630190446728\
9425746174098070947285556077554761795271607917999664978793818256939...
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MATHEMATICA
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RealDigits[Root[4913+2108*#1^2-604*#1^3-977*#1^4+8*#1^5+44*#1^6+392*#1^7-193*#1^\ 8-40*#1^9+48*#1^10-12*#1^11+#1^12&, 3], 10, 110][[1]]
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CROSSREFS
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Cf. A091517.
Sequence in context: A055266 A075077 A081361 this_sequence A000655 A130532 A019707
Adjacent sequences: A086178 A086179 A086180 this_sequence A086182 A086183 A086184
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KEYWORD
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nonn,cons
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Jul 11, 2003
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EXTENSIONS
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More terms from N. J. A. Sloane (njas(AT)research.att.com), Mar 18 2007
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