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Search: id:A159766
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| 4, 1, 2, 43, 2, 163, 2, 3, 1, 1, 2, 5, 1, 2, 3, 80, 2, 5, 2, 1, 1, 1, 33, 1, 1, 53, 1, 1, 1, 1, 1, 1, 6, 1, 1, 2, 2, 1, 1, 239, 1, 3, 31, 1, 1, 11, 1, 13, 123, 2, 2, 2, 2, 13, 15, 1, 2, 3, 3, 1, 3, 1, 1, 6, 1, 3, 1, 1, 13, 8, 1, 7, 1, 2, 1, 8, 7, 1, 17, 1, 6, 1, 1, 3, 1, 1, 13, 1, 1, 4, 2, 9, 124, 1, 1, 3
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Feigenbaum bifurcation velocity delta.
Apart from the first term, the same as A069544. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 28 2009]
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,966
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EXAMPLE
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4.66920160910299067185320382... = 4 + 1/(1 + 1/(2 + 1/(43 + 1/(2 + ...)))) [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 13 2009]
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MATHEMATICA
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fbvd = (* copy value from the Hyper-link in A006890 or immediately above *); ContinuedFraction@ fbvd [From Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 27 2009]
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PROGRAM
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Contribution from Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 15 2009: (Start)
(PARI) { default(realprecision, 1019); delta=4.\
6692016091029906718532038204662016172581855774757686327456513430\
0413433021131473713868974402394801381716598485518981513440862714\
2027932522312442988890890859944935463236713411532481714219947455\
6443658237932020095610583305754586176522220703854106467494942849\
8145339172620056875566595233987560382563722564800409510712838906\
1184470277585428541980111344017500242858538249833571552205223608\
7250291678860362674527213399057131606875345083433934446103706309\
4520191158769724322735898389037949462572512890979489867683346116\
2688911656312347446057517953912204556247280709520219819909455858\
1946136877445617396074115614074243754435499204869180982648652368\
4387027996490173977934251347238087371362116018601281861020563818\
1835409759847796417390032893617143215987824078977661439139576403\
7760537119096932066998361984288981837003229412030210655743295550\
3888458497370347275321219257069584140746618419819610061296401614\
8771294441590140546794180019813325337859249336588307045999993837\
5411726563553016862529032210862320550634510679399023341675; x=contfrac(delta); for (n=1, 967, write("b159766.txt", n-1, " ", x[n])); } (End)
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CROSSREFS
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Sequence in context: A110559 A030441 A072033 this_sequence A004161 A025016 A094244
Adjacent sequences: A159763 A159764 A159765 this_sequence A159767 A159768 A159769
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KEYWORD
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nonn
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AUTHOR
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Harry J. Smith (hjsmithh(AT)sbcglobal.net), Apr 21 2009
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EXTENSIONS
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Deleted old PARI program Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 19 2009
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