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A020832 Decimal expansion of 1/sqrt(75). 8
1, 1, 5, 4, 7, 0, 0, 5, 3, 8, 3, 7, 9, 2, 5, 1, 5, 2, 9, 0, 1, 8, 2, 9, 7, 5, 6, 1, 0, 0, 3, 9, 1, 4, 9, 1, 1, 2, 9, 5, 2, 0, 3, 5, 0, 2, 5, 4, 0, 2, 5, 3, 7, 5, 2, 0, 3, 7, 2, 0, 4, 6, 5, 2, 9, 6, 7, 9, 5, 5, 3, 4, 4, 6, 0, 5, 8, 6, 6, 6, 9, 1, 3, 8, 7, 4, 3, 0, 7, 9, 1, 1, 7, 1, 4, 9, 9, 0, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Multiplied by 10 this is 2/sqrt(3). - Alonso del Arte, Apr 30 2012

2/sqrt(3) is Hermite's constant gamma_2. - Jean-Fran├žois Alcover, Sep 02 2014, after Steven Finch.

LINKS

Ivan Panchenko, Table of n, a(n) for n = 0..1000

Steven R. Finch, Errata and Addenda to Mathematical Constants, p. 62.

FORMULA

(csc(Pi/3))/10, where csc is the cosecant function. - Alonso del Arte, Apr 30 2012

EXAMPLE

0.1154700538379251529...

MATHEMATICA

RealDigits[1/Sqrt[75], 10, 100][[1]] (* Alonso del Arte, Apr 30 2012 *)

CROSSREFS

Cf. A010153 (continued fraction, but missing the initial 0).

Sequence in context: A019124 A019323 A244088 * A246724 A199276 A021870

Adjacent sequences:  A020829 A020830 A020831 * A020833 A020834 A020835

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 24 07:01 EST 2014. Contains 249870 sequences.