A140241 Decimal expansion of 180*arccos(7/8)/Pi.

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

Offset: 2

Author

Rick L. Shepherd, May 14 2008

Keywords

• cons
• nonn

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.

Examples

			28.9550243718598477575420695982543320102631952491132329521002360177025871614...
		

Crossrefs

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

Programs

Mathematica

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

PARI

180*acos(7/8)/Pi

Formula

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