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A010470 Decimal expansion of square root of 13. 13
3, 6, 0, 5, 5, 5, 1, 2, 7, 5, 4, 6, 3, 9, 8, 9, 2, 9, 3, 1, 1, 9, 2, 2, 1, 2, 6, 7, 4, 7, 0, 4, 9, 5, 9, 4, 6, 2, 5, 1, 2, 9, 6, 5, 7, 3, 8, 4, 5, 2, 4, 6, 2, 1, 2, 7, 1, 0, 4, 5, 3, 0, 5, 6, 2, 2, 7, 1, 6, 6, 9, 4, 8, 2, 9, 3, 0, 1, 0, 4, 4, 5, 2, 0, 4, 6, 1, 9, 0, 8, 2, 0, 1, 8, 4, 9, 0, 7, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Continued fraction expansion is 3 followed by {1, 1, 1, 1, 6} repeated. - Harry J. Smith, Jun 02 2009

The convergents to sqrt(13) are given in A041018/A041019. - Wolfdieter Lang, Nov 23 2017

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..20000

EXAMPLE

3.605551275463989293119221267470495946251296573845246212710453056227166...

MATHEMATICA

RealDigits[N[Sqrt[13], 200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Feb 21 2011 *)

PROG

(PARI) { default(realprecision, 20080); x=sqrt(13); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010470.txt", n, " ", d)); } \\ Harry J. Smith, Jun 02 2009

CROSSREFS

Cf. A010122 (continued fraction), A041018/A041019.

Sequence in context: A141703 A283193 A021739 * A181916 A077590 A199182

Adjacent sequences:  A010467 A010468 A010469 * A010471 A010472 A010473

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 15 07:42 EDT 2019. Contains 328026 sequences. (Running on oeis4.)