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A010520
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Decimal expansion of square root of 68.
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2
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8, 2, 4, 6, 2, 1, 1, 2, 5, 1, 2, 3, 5, 3, 2, 1, 0, 9, 9, 6, 4, 2, 8, 1, 9, 7, 1, 1, 9, 4, 8, 1, 5, 4, 0, 5, 0, 2, 9, 4, 3, 9, 8, 4, 5, 0, 7, 4, 7, 2, 4, 0, 8, 6, 8, 7, 9, 7, 2, 6, 7, 1, 4, 6, 1, 8, 9, 9, 0, 8, 6, 9, 2, 6, 7, 5, 2, 4, 3, 1, 8, 7, 1, 7, 5, 7, 2, 7, 3, 0, 1, 6, 2, 1, 3, 6, 8, 5, 9
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Continued fraction expansion is 8 followed by {4, 16} repeated. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 08 2009]
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,20000
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EXAMPLE
| 8.246211251235321099642819711948154050294398450747240868797267146189908... [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 08 2009]
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MATHEMATICA
| RealDigits[N[68^(1/2), 200]][[1]] (* From Vladimir Joseph Stephan Orlovsky, Jan 22 2012 *)
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PROG
| (PARI) { default(realprecision, 20080); x=sqrt(68); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010520.txt", n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 08 2009]
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CROSSREFS
| Cf. A040059 Continued fraction. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 08 2009]
Sequence in context: A019775 A138499 A153387 * A169847 A073440 A021552
Adjacent sequences: A010517 A010518 A010519 * A010521 A010522 A010523
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KEYWORD
| nonn,cons
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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