A140245 Decimal expansion of 180*arccos(-1/4)/Pi.

1, 0, 4, 4, 7, 7, 5, 1, 2, 1, 8, 5, 9, 2, 9, 9, 2, 3, 8, 7, 8, 7, 7, 1, 0, 3, 4, 7, 9, 9, 1, 2, 7, 1, 6, 6, 0, 0, 5, 1, 3, 1, 5, 9, 7, 6, 2, 4, 5, 5, 6, 6, 1, 6, 4, 7, 6, 0, 5, 0, 1, 1, 8, 0, 0, 8, 8, 5, 1, 2, 9, 3, 5, 8, 0, 7, 2, 7, 4, 5, 1, 5, 6, 7, 4, 5, 8, 9, 0, 9, 7, 9, 3, 3, 3, 5, 7, 1, 8, 3, 2, 5, 8, 5, 8

Offset: 3

Author

Rick L. Shepherd, May 14 2008

Keywords

• cons
• nonn

Comments

Angle in degrees of the obtuse 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

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Crossrefs

Cf. A140239, A140240, A140241, A140242, A140243, A140244, A140246, A140247, A140248, A140249.

Programs

PARI

180*acos(-1/4)/Pi

Formula

180*arccos(-1/4)/Pi = 180*A140244/Pi.