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A010521
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Decimal expansion of square root of 69.
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2
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8, 3, 0, 6, 6, 2, 3, 8, 6, 2, 9, 1, 8, 0, 7, 4, 8, 5, 2, 5, 8, 4, 2, 6, 2, 7, 4, 4, 9, 0, 7, 4, 9, 2, 0, 1, 0, 2, 3, 2, 2, 1, 4, 2, 4, 8, 9, 5, 5, 6, 5, 5, 7, 7, 9, 4, 3, 2, 1, 8, 8, 3, 6, 9, 0, 3, 7, 5, 8, 5, 0, 3, 3, 4, 2, 3, 1, 5, 1, 5, 7, 3, 8, 6, 7, 3, 9, 8, 5, 0, 8, 2, 3, 2, 3, 5, 7, 0, 5
(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 {3, 3, 1, 4, 1, 3, 3, 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
| 8.306623862918074852584262744907492010232214248955655779432188369037585... [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 08 2009]
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MATHEMATICA
| RealDigits[N[69^(1/2), 200]][[1]] (* From Vladimir Joseph Stephan Orlovsky, Jan 22 2012 *)
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PROG
| (PARI) { default(realprecision, 20080); x=sqrt(69); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010521.txt", n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 08 2009]
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CROSSREFS
| Cf. A010148 Continued fraction. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 08 2009]
Sequence in context: A107671 A154538 A154166 * A200025 A200300 A137433
Adjacent sequences: A010518 A010519 A010520 * A010522 A010523 A010524
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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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