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A159767
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Continued fraction expansion of A006891.
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2
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2, 1, 1, 85, 2, 8, 1, 10, 16, 3, 8, 9, 2, 1, 40, 1, 2, 3, 2, 2, 1, 17, 1, 1, 5, 3, 2, 6, 3, 5, 1, 1, 3, 3, 15, 3, 1, 1, 7, 2, 3, 1, 7, 2, 1, 55, 1, 1, 1, 1, 4, 9, 1, 2, 1, 36, 1, 5, 10, 1, 1, 2, 1, 4, 1, 4, 5, 5, 1, 1, 130, 1, 3, 1, 1, 2, 1, 3, 1, 3, 2, 3, 2, 2, 547, 9, 18, 3, 1, 4, 2, 1, 1, 2, 2, 2, 1, 6, 1
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| Feigenbaum bifurcation velocity alpha.
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LINKS
| Harry J. Smith, Table of n, a(n) for n = 0..995
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EXAMPLE
| -alpha = 2.50290787509589282... = 2 + 1/(1 + 1/(1 + 1/(85 + 1/(2 + ...))))
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MATHEMATICA
| (* assign to 'x' the Feigenbaum bifurcation velocity alpha *); ContinuedFraction[ x, 100] [From Robert G. Wilson v (rgwv(AT)rgwv.com), May 31 2009]
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PROG
| Contribution from Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 15 2009: (Start)
(PARI) { default(realprecision, 1019); alpha=-2.\
5029078750958928222839028732182157863812713767271499773361920567\
7923546317959020670329964974643383412959523186999585472394218237\
7785445179272863314993372578112163594879503744781260997380598671\
2397117373289276654044010306698313834600094139322364490657889951\
2205843172507873377463087853424285351988587500042358246918740820\
4281700901714823051821621619413199856066129382742649709844084470\
1008054549677936760888126446406885181552709324007542506497157047\
0475419932831783645332562415378693957125097066387979492654623137\
6745918909813116752434221110130913127837160951158341230841503716\
4997020224681219644081216686527458043026245782561067150138521821\
6449532543349873487413352795815351016583605455763513276501810781\
1948369459574850237398235452625632779475397269902012891516645793\
9420198920248803394051699686551494477396533876979741232354061781\
9896112494095990353128997733611849847377946108428833293833903950\
9008914086351525626803381414669279913310743349705143545201344643\
4264752001621384610729922641994332772918977769053802596851; x=contfrac(-alpha); for (n=1, 996, write("b159767.txt", n-1, " ", x[n])); } (End)
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CROSSREFS
| Sequence in context: A172092 A156888 A173890 * A169658 A178473 A164810
Adjacent sequences: A159764 A159765 A159766 * A159768 A159769 A159770
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KEYWORD
| nonn,cofr
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AUTHOR
| Harry J. Smith (hjsmithh(AT)sbcglobal.net), Apr 21 2009
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EXTENSIONS
| Deleted old PARI program Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 19 2009
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