A377935 Decimal expansion of the area enclosed by the locus of the centroid of a Reuleaux triangle.

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

Offset: 0

Author

Kritsada Moomuang, Nov 11 2024

Keywords

• nonn
• cons

Examples

			0.0793295472807257146962860633...
		

Links

• Eric Weisstein's World of Mathematics, Reuleaux Triangle.

Crossrefs

Cf. A066666.

Programs

Mathematica

RealDigits[4 - 8/Sqrt[3] + (2*(Pi/9)), 10, 100, -1][[1]]

Formula

Equals 4 - 8/sqrt(3) + 2*Pi/9.

Equals (4/9)*(Pi - 3*A066666).