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Search: id:A010477
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| A010477 |
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Decimal expansion of square root of 21. |
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+0
2
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| 4, 5, 8, 2, 5, 7, 5, 6, 9, 4, 9, 5, 5, 8, 4, 0, 0, 0, 6, 5, 8, 8, 0, 4, 7, 1, 9, 3, 7, 2, 8, 0, 0, 8, 4, 8, 8, 9, 8, 4, 4, 5, 6, 5, 7, 6, 7, 6, 7, 9, 7, 1, 9, 0, 2, 6, 0, 7, 2, 4, 2, 1, 2, 3, 9, 0, 6, 8, 6, 8, 4, 2, 5, 5, 4, 7, 7, 7, 0, 8, 8, 6, 6, 0, 4, 3, 6, 1, 5, 5, 9, 4, 9, 3, 4, 4, 5, 0, 3
(list; cons; graph; listen)
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OFFSET
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1,1
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COMMENT
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Continued fraction expansion is 4 followed by {1, 1, 2, 1, 1, 8} repeated. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 03 2009]
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,20000
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EXAMPLE
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4.582575694955840006588047193728008488984456576767971902607242123906868... [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 03 2009]
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PROGRAM
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(PARI) { default(realprecision, 20080); x=sqrt(21); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010477.txt", n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 03 2009]
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CROSSREFS
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Cf. A010125 Continued fraction. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 03 2009]
Sequence in context: A123368 A082468 A152974 this_sequence A143717 A155921 A016721
Adjacent sequences: A010474 A010475 A010476 this_sequence A010478 A010479 A010480
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KEYWORD
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nonn,cons
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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