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A140239 Decimal expansion of 3*sqrt(15)/4. 15
2, 9, 0, 4, 7, 3, 7, 5, 0, 9, 6, 5, 5, 5, 6, 2, 6, 6, 3, 8, 8, 4, 4, 4, 9, 0, 4, 9, 8, 3, 6, 7, 9, 9, 7, 0, 8, 1, 2, 4, 6, 9, 1, 2, 7, 8, 9, 6, 8, 6, 9, 3, 1, 1, 9, 9, 4, 0, 6, 8, 0, 3, 2, 4, 5, 8, 5, 1, 1, 2, 3, 1, 8, 9, 5, 2, 7, 3, 4, 2, 7, 5, 1, 3, 9, 4, 6, 5, 5, 3, 2, 6, 4, 4, 0, 0, 5, 1, 3, 8, 4, 3, 7, 2, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Area of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths.

LINKS

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

FORMULA

3*sqrt(15)/4 = 3*A010472/4.

EXAMPLE

2.90473750965556266388444904983679970812469127896869311994068032458511231895...

MATHEMATICA

RealDigits[(3Sqrt[15])/4, 10, 120][[1]] (* Harvey P. Dale, Apr 03 2013 *)

CROSSREFS

Cf. A140240, A140241, A140242, A140243, A140244, A140245, A140246, A140247, A140248, A140249, A088543, A010472.

Sequence in context: A324833 A019969 A185362 * A221200 A221245 A021348

Adjacent sequences:  A140236 A140237 A140238 * A140240 A140241 A140242

KEYWORD

cons,nonn

AUTHOR

Rick L. Shepherd, May 14 2008

STATUS

approved

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Last modified September 17 11:03 EDT 2019. Contains 327129 sequences. (Running on oeis4.)