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A010472
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Decimal expansion of square root of 15.
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18
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3, 8, 7, 2, 9, 8, 3, 3, 4, 6, 2, 0, 7, 4, 1, 6, 8, 8, 5, 1, 7, 9, 2, 6, 5, 3, 9, 9, 7, 8, 2, 3, 9, 9, 6, 1, 0, 8, 3, 2, 9, 2, 1, 7, 0, 5, 2, 9, 1, 5, 9, 0, 8, 2, 6, 5, 8, 7, 5, 7, 3, 7, 6, 6, 1, 1, 3, 4, 8, 3, 0, 9, 1, 9, 3, 6, 9, 7, 9, 0, 3, 3, 5, 1, 9, 2, 8, 7, 3, 7, 6, 8, 5, 8, 6, 7, 3, 5, 1
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Continued fraction expansion is 3 followed by {1, 6} repeated. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 03 2009]
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LINKS
| Harry J. Smith, Table of n, a(n) for n = 1..20000
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EXAMPLE
| 3.87298334620741688517926539978239961083292170529159082658757376611348309193...
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MATHEMATICA
| RealDigits[N[Sqrt[15], 200]][[1]] (*From Vladimir Joseph Stephan Orlovsky, Feb 20 2011*)
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PROG
| (PARI) { default(realprecision, 20080); x=sqrt(15); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010472.txt", n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 03 2009]
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CROSSREFS
| Cf. A040011 Continued fraction.
Sequence in context: A011413 A010629 A016671 * A195435 A134903 A177346
Adjacent sequences: A010469 A010470 A010471 * A010473 A010474 A010475
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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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