A086181 Decimal expansion of the bifurcation point B_3, the onset of an 8-cycle in the logistic equation.
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
Offset: 1
Examples
3.54409035955192285361596598660480454058309984544457367545781253030584294285\ 886301225625856642489179996260899277589974545704537650729751905223146817\ 637447928464560949852755537179889159077448053517459045482470711286876373\ 464332114219211465412771169565934544669549411924727100000409480552542925\ 972401110012866875143607064166969339310061199923409664597323422476443639\ 154794410718331803802488512620422107565464513898750258677417630190446728\ 9425746174098070947285556077554761795271607917999664978793818256939...
Links
- D. H. Bailey, J. M. Borwein, V. Kapoor and E. Weisstein, Ten Problems in Experimental Mathematics
- Eric Weisstein's World of Mathematics, Logistic Map
Crossrefs
Cf. A091517.
Programs
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Mathematica
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]]
Formula
A root of the 12th-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.
Extensions
More terms from N. J. A. Sloane, Mar 18 2007