A379531 Decimal expansion of (3*sqrt(6) - 7)*Pi/3.

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

Offset: 0

Author

Stefano Spezia, Dec 24 2024

Keywords

• nonn
• cons

Comments

Lower bound to the volume of the Meisser's tetrahedral analog of the Reuleaux triangle.

Examples

			0.3649161225950003501847169303738650723435020735...
		

References

• G. D. Chakerian and H. Groemer, Convex bodies of constant width, Convexity and Its Applications, ed. P. M. Gruber and J. M. Wills, Birkhäuser, 1983, pp. 49-96; MR85f:52001.
• Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 8.10, p. 514.

Links

• G. D. Chakerian, Sets of constant width, Pacific J. Math. 19 (1966) 13-21; MR 34 #4986. See p. 14.
• Michael I. Shamos, A catalog of the real numbers, (2007). See p. 230.

Crossrefs

Cf. A000796, A010464, A010507, A019670.

Programs

Mathematica

RealDigits[(3Sqrt[6]-7)Pi/3,10,100][[1]]