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A140247 Decimal expansion of 8/sqrt(15). 11
2, 0, 6, 5, 5, 9, 1, 1, 1, 7, 9, 7, 7, 2, 8, 9, 0, 0, 5, 4, 2, 8, 9, 4, 1, 5, 4, 6, 5, 5, 0, 6, 1, 3, 1, 2, 5, 7, 7, 7, 5, 5, 8, 2, 4, 2, 8, 2, 2, 1, 8, 1, 7, 7, 4, 1, 8, 0, 0, 3, 9, 3, 4, 1, 9, 2, 7, 1, 9, 0, 9, 8, 2, 3, 6, 6, 3, 8, 8, 8, 1, 7, 8, 7, 6, 9, 5, 3, 2, 6, 7, 6, 5, 7, 9, 5, 9, 2, 0, 9, 5, 5, 5, 3, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Circumradius of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths. See formulas in the Weisstein link.

LINKS

Table of n, a(n) for n=1..105.

Eric Weisstein's World of Mathematics, Circumradius.

FORMULA

8/sqrt(15) = 8/A010472.

EXAMPLE

2.06559111797728900542894154655061312577755824282218177418003934192719098236...

MATHEMATICA

RealDigits[8/Sqrt[15], 10, 120][[1]] (* Harvey P. Dale, May 06 2012 *)

PROG

(PARI) 8/sqrt(15)

CROSSREFS

Cf. A140239, A140240, A140241, A140242, A140243, A140244, A140245, A140246, A140248, A140249, A088543, A010472.

Sequence in context: A199464 A189961 A211241 * A271170 A111520 A326040

Adjacent sequences:  A140244 A140245 A140246 * A140248 A140249 A140250

KEYWORD

cons,nonn

AUTHOR

Rick L. Shepherd, May 14 2008

STATUS

approved

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Last modified September 18 12:45 EDT 2019. Contains 327170 sequences. (Running on oeis4.)