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A140241 Decimal expansion of 180*arccos(7/8)/Pi. 11
2, 8, 9, 5, 5, 0, 2, 4, 3, 7, 1, 8, 5, 9, 8, 4, 7, 7, 5, 7, 5, 4, 2, 0, 6, 9, 5, 9, 8, 2, 5, 4, 3, 3, 2, 0, 1, 0, 2, 6, 3, 1, 9, 5, 2, 4, 9, 1, 1, 3, 2, 3, 2, 9, 5, 2, 1, 0, 0, 2, 3, 6, 0, 1, 7, 7, 0, 2, 5, 8, 7, 1, 6, 1, 4, 5, 4, 9, 0, 3, 1, 3, 4, 9, 1, 7, 8, 1, 9, 5, 8, 6, 6, 7, 1, 4, 3, 6, 6, 5, 1, 7, 1, 6, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Angle in degrees of the least angle of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths.

A140241 + A140243 + A140245 = 180.

LINKS

Table of n, a(n) for n=2..106.

FORMULA

180*arccos(7/8)/Pi = 180*A140240/Pi.

EXAMPLE

28.9550243718598477575420695982543320102631952491132329521002360177025871614...

MATHEMATICA

RealDigits[(180*ArcCos[7/8])/Pi, 10, 120][[1]] (* Harvey P. Dale, Jul 19 2014 *)

PROG

(PARI) 180*acos(7/8)/Pi

CROSSREFS

Cf. A140239, A140240, A140242, A140243, A140244, A140245, A140246, A140247, A140248, A140249.

Sequence in context: A154859 A179377 A199274 * A108744 A195724 A081819

Adjacent sequences:  A140238 A140239 A140240 * A140242 A140243 A140244

KEYWORD

cons,nonn

AUTHOR

Rick L. Shepherd, May 14 2008

STATUS

approved

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Last modified September 15 20:11 EDT 2019. Contains 327086 sequences. (Running on oeis4.)